Thanks Ronni,
Here’s the EtreCheck.app version 3.1.2 for my iMac.
Many Thanks for the suggestion
Marcus

EtreCheck version: 3.1.2 (334)
Report generated 2016-11-06 20:23:35
Download EtreCheck from https://etrecheck.com <https://etrecheck.com/>
Runtime 3:07
Performance: Good

Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.

Problem: Apps are crashing

Hardware Information: <etrecheck://help/hardware> ⓘ <etrecheck://help/hardware>
    iMac (27-inch, Late 2009) 
    [Technical Specifications] 
<http://support-sp.apple.com/sp/index?page=cpuspec&cc=5PE&lang=en> - [User 
Guide] <http://support-sp.apple.com/sp/index?page=cpuuserguides&cc=5PE&lang=en> 
- [Warranty & Service] 
<https://support.apple.com/kb/index?page=servicefaq&geo=United_States&product=Macdesktops>
    iMac - model: iMac10,1
    1 3.06 GHz Intel Core 2 Duo (Duo) CPU: 2-core
    8 GB RAM Upgradeable - [Instructions] 
<http://support-sp.apple.com/sp/index?page=cpumemory&cc=5PE&lang=en>
        BANK 0/DIMM0
            Empty   
        BANK 1/DIMM0
            4 GB DDR3 1067 MHz ok
        BANK 0/DIMM1
            2 GB DDR3 1067 MHz ok
        BANK 1/DIMM1
            2 GB DDR3 1067 MHz ok
    Bluetooth: Old - Handoff/Airdrop2 not supported
    Wireless:  en1: 802.11 a/b/g/n

Video Information: <etrecheck://help/video> ⓘ <etrecheck://help/video>
    ATI Radeon HD 4670 - VRAM: 256 MB
        iMac 2560 x 1440

System Software: <etrecheck://help/systemsoftware> ⓘ 
<etrecheck://help/systemsoftware>
    macOS Sierra  10.12.1 (16B2555) - Time since boot: about one day 

Disk Information: <etrecheck://help/disk> ⓘ <etrecheck://help/disk>
    ST2000DM001-1ER164 disk0 : (2 TB) (Rotational)
    [Show SMART report] <etrecheck://smart/disk0>
        EFI (disk0s1) <not mounted> : 210 MB 
        Macintosh HD (disk0s2) /  [Startup]: 2.00 TB (1.65 TB free)
        Recovery HD (disk0s3) <not mounted>  [Recovery]: 650 MB 

    HL-DT-ST DVDRW  GA11N   ()

USB Information: <etrecheck://help/usb> ⓘ <etrecheck://help/usb>
    Apple Computer, Inc. IR Receiver 
    Apple Inc. BRCM2046 Hub 
        Apple Inc. Bluetooth USB Host Controller 
    Apple Inc. Built-in iSight 
    Apple, Inc. Keyboard Hub 
        Apple Inc. Apple Keyboard 
    Apple Card Reader 

Firewire Information: <etrecheck://help/firewire> ⓘ <etrecheck://help/firewire>
    WD My Book 800mbit - 800mbit max 
        disk1s1 (disk1s1) <not mounted> : 32 KB 
        My TIME MACHINE (disk1s3) /Volumes/My TIME MACHINE : 1.00 TB (121.48 GB 
free)

Gatekeeper: <etrecheck://help/gatekeeper> ⓘ <etrecheck://help/gatekeeper>
    Mac App Store and identified developers

Kernel Extensions: <etrecheck://help/kernelextensions> ⓘ 
<etrecheck://help/kernelextensions>
        ~/Documents/SOFTWARE/TOAST TITANIUM 10/Toast 10 Titanium/Toast 
Titanium.app
    [not loaded]    com.roxio.BluRaySupport (1.1.6 - 2013-09-25) [Support] 
<https://www.google.com/search?q=Roxio%20Support%20for%20Blu-ray%20media+support+site:roxio.com>
    [not loaded]    com.roxio.TDIXController (2.0 - 2013-09-25) [Support] 
<https://www.google.com/search?q=com_roxio_TDIXController+support+site:roxio.com>

Startup Items: <etrecheck://help/startupitems> ⓘ <etrecheck://help/startupitems>
    AdobeVersionCueCS2: Path: /Library/StartupItems/AdobeVersionCueCS2
    TuxeraNTFSUnmountHelper: Path: /Library/StartupItems/TuxeraNTFSUnmountHelper
    Startup items no longer function in OS X Yosemite or later

System Launch Agents: <etrecheck://help/systemlaunchagents> ⓘ 
<etrecheck://help/systemlaunchagents>
    [not loaded]    8 Apple tasks
    [loaded]    164 Apple tasks
    [running]    99 Apple tasks

System Launch Daemons: <etrecheck://help/systemlaunchdaemons> ⓘ 
<etrecheck://help/systemlaunchdaemons>
    [not loaded]    41 Apple tasks
    [loaded]    157 Apple tasks
    [running]    105 Apple tasks

Launch Agents: <etrecheck://help/launchagents> ⓘ <etrecheck://help/launchagents>
    [loaded]    com.google.keystone.agent.plist (2016-08-25) [Support] 
<https://www.google.com/search?q=com.google.keystone.agent.plist+support+site:google.com>
    [loaded]    com.hp.help.tocgenerator.plist (2014-01-03) [Support] 
<https://www.google.com/search?q=com.hp.help.tocgenerator.plist+support+site:hp.com>
    [not loaded]    net.culater.SIMBL.Agent.plist (2016-03-25) [Support] 
<https://www.google.com/search?q=net.culater.SIMBL.Agent.plist+support+site:culater.net>

Launch Daemons: <etrecheck://help/launchdaemons> ⓘ 
<etrecheck://help/launchdaemons>
    [loaded]    com.adobe.fpsaud.plist (2016-10-24) [Support] 
<https://www.google.com/search?q=com.adobe.fpsaud.plist+support+site:adobe.com>
    [loaded]    com.bombich.ccchelper.plist (2016-03-14) [Support] 
<https://www.google.com/search?q=com.bombich.ccchelper.plist+support+site:bombich.com>
    [loaded]    com.google.keystone.daemon.plist (2016-09-02) [Support] 
<https://www.google.com/search?q=com.google.keystone.daemon.plist+support+site:google.com>
    [loaded]    com.macpaw.CleanMyMac3.Agent.plist (2016-10-04) [Support] 
<https://www.google.com/search?q=com.macpaw.CleanMyMac3.Agent.plist+support+site:macpaw.com>
    [loaded]    com.microsoft.office.licensing.helper.plist (2012-04-02) 
[Support] 
<https://www.google.com/search?q=com.microsoft.office.licensing.helper.plist+support+site:microsoft.com>

User Launch Agents: <etrecheck://help/userlaunchagents> ⓘ 
<etrecheck://help/userlaunchagents>
    [loaded]    com.adobe.ARM.[...].plist (2016-10-13) [Support] 
<https://www.google.com/search?q=com.adobe.ARM.202f4087f2bbde52e3ac2df389f53a4f123223c9cc56a8fd83a6f7ae.plist+support+site:adobe.com>
    [loaded]    com.macpaw.CleanMyMac3.Scheduler.plist (2016-11-03)

User Login Items: <etrecheck://help/loginitems> ⓘ <etrecheck://help/loginitems>
    iTunesHelper    Application  
(/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
    AdobeResourceSynchronizer    Application Hidden (/Applications/Adobe 
Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
    Mail    Application  (/Applications/Mail.app)
    Wondershare Helper Compact    Application Hidden (~/Library/Application 
Support/Helper/Wondershare Helper Compact.app)
    CleanMyMac 3 Menu    Application  (/Applications/CleanMyMac 
3.app/Contents/MacOS/CleanMyMac 3 Menu.app)
    SpeechSynthesisServer    Application  
(/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesisServer.app)
    RealPlayer Downloader Agent    Application  (~/Library/Application 
Support/RealNetworks/RealPlayer Downloader Agent.app)
    Safari    Application  (/Applications/Safari.app)
    Dropbox    Application  (/Applications/Dropbox.app)
    Printer Pro Desktop    Application  (/Applications/Printer Pro Desktop.app)
    HP Scheduler    Application  (/Library/Application 
Support/Hewlett-Packard/Software Update/HP Scheduler.app)

Internet Plug-ins: <etrecheck://help/internetplugins> ⓘ 
<etrecheck://help/internetplugins>
    Flip4Mac WMV Plugin: 3.1.0.24   - SDK 10.8 (2013-02-24) [Support] 
<https://www.google.com/search?q=Flip4Mac%20WMV%20Plugin+support+site:telestream.net>
    FlashPlayer-10.6: 23.0.0.205 - SDK 10.9 (2016-11-03) [Support] 
<https://www.google.com/search?q=FlashPlayer-10.6+support+site:macromedia.com>
    QuickTime Plugin: 7.7.3 (2016-10-27)
    AdobePDFViewerNPAPI: 11.0.18 - SDK 10.6 (2016-10-15) [Support] 
<https://www.google.com/search?q=AdobePDFViewerNPAPI+support+site:adobe.com>
    AdobePDFViewer: 11.0.18 - SDK 10.6 (2016-10-13) [Support] 
<https://www.google.com/search?q=AdobePDFViewer+support+site:adobe.com>
    Flash Player: 23.0.0.205 - SDK 10.9 (2016-11-03) [Support] 
<https://www.google.com/search?q=Flash%20Player+support+site:macromedia.com>
    SharePointBrowserPlugin: 14.4.8 - SDK 10.6 (2015-02-16) [Support] 
<https://www.google.com/search?q=SharePointBrowserPlugin+support+site:microsoft.com>
    RealPlayer Plugin: Unknown (2010-10-01) [Support] 
<https://www.google.com/search?q=support+site:RealNetworks.com>
    Silverlight: 5.1.30514.0 - SDK 10.6 (2015-04-13) [Support] 
<https://www.google.com/search?q=support+site:microsoft.com>
    DirectorShockwave: 11.6.8r638 (2012-12-12) [Support] 
<https://www.google.com/search?q=DirectorShockwave+support+site:adobe.com>
    iPhotoPhotocast: 7.0 (2010-06-24)

User internet Plug-ins: <etrecheck://help/userinternetplugins> ⓘ 
<etrecheck://help/userinternetplugins>
    Google Earth Web Plug-in: 7.1 (2015-04-13) [Support] 
<https://www.google.com/search?q=Google%20Earth%20Plugin.plugin+support+site:Google.com>

Safari Extensions: <etrecheck://help/safariextensions> ⓘ 
<etrecheck://help/safariextensions>
    Evernote Web Clipper - Evernote Corp. - http://evernote.com 
<http://evernote.com/> (2015-10-23)
    Translate - SideTree.com - Apps for Mac and Web - 
http://SideTree.com/extensions.html#Translate 
<http://sidetree.com/extensions.html#Translate> (2016-08-10)

3rd Party Preference Panes: <etrecheck://help/preferencepanes> ⓘ 
<etrecheck://help/preferencepanes>
    Flash Player (2016-10-24) [Support] 
<https://www.google.com/search?q=Flash%20Player+support+site:adobe.com>
    Flip4Mac WMV (2013-01-10) [Support] 
<https://www.google.com/search?q=Flip4Mac%20WMV+support+site:telestream.net>

Time Machine: <etrecheck://help/timemachine> ⓘ <etrecheck://help/timemachine>
    Skip System Files: NO
    Mobile backups: OFF
    Auto backup: YES
    Volumes being backed up:
        Macintosh HD: Disk size: 2.00 TB Disk used: 350.63 GB
    Destinations:
        My Book [Local] 
        Total size: 1.00 TB 
        Total number of backups: 39 
        Oldest backup: 27/10/15, 8:51 am 
        Last backup: 6/11/16, 3:45 pm 
        Size of backup disk: Too small
            Backup size 1.00 TB < (Disk used 350.63 GB X 3)

Top Processes by CPU: <etrecheck://help/cpu> ⓘ <etrecheck://help/cpu>
        11%     WindowServer
         2%     mdworker(25)
         2%     kernel_task
         1%     fontd
         0%     com.apple.AmbientDisplayAgent

Top Processes by Memory: <etrecheck://help/memory> ⓘ <etrecheck://help/memory>
    760 MB      kernel_task
    713 MB      NotificationCenter
    623 MB      com.apple.WebKit.WebContent(2)
    516 MB      mdworker(24)
    229 MB      Safari

Virtual Memory Information: <etrecheck://help/vm> ⓘ <etrecheck://help/vm>
    3.77 GB     Available RAM
    17 MB       Free RAM
    4.23 GB     Used RAM
    3.75 GB     Cached files
    158 MB      Swap Used

Diagnostics Information: <etrecheck://help/diagnostics> ⓘ 
<etrecheck://help/diagnostics>
    Nov 6, 2016, 12:40:35 PM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-06-124035_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-06-124035_%5Bredacted%5D.cpu_resource.diag>
        
/System/Library/CoreServices/NotificationCenter.app/Contents/MacOS/NotificationCenter
    Nov 6, 2016, 10:45:06 AM    
/Library/Logs/DiagnosticReports/Dropbox_2016-11-06-104506_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/Dropbox_2016-11-06-104506_%5Bredacted%5D.cpu_resource.diag>
        /Applications/Dropbox.app/Contents/MacOS/Dropbox
    Nov 6, 2016, 09:10:26 AM    
/Library/Logs/DiagnosticReports/suggestd_2016-11-06-091026_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/suggestd_2016-11-06-091026_%5Bredacted%5D.cpu_resource.diag>
        
/System/Library/PrivateFrameworks/CoreSuggestions.framework/Versions/A/Support/suggestd
    Nov 6, 2016, 08:33:18 AM    ~/Library/Logs/DiagnosticReports/SIMBL 
Agent_2016-11-06-083318_[redacted].crash
        /Library/ScriptingAdditions/SIMBL.osax/Contents/Resources/SIMBL 
Agent.app/Contents/MacOS/SIMBL Agent
    Nov 5, 2016, 06:21:34 PM    
/Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-11-05-182134_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-11-05-182134_%5Bredacted%5D.cpu_resource.diag>
        
/System/Library/Frameworks/WebKit.framework/Versions/A/XPCServices/com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent
    Nov 5, 2016, 06:15:01 PM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-181501_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-181501_%5Bredacted%5D.cpu_resource.diag>
    Nov 5, 2016, 05:38:04 PM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-173804_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-173804_%5Bredacted%5D.cpu_resource.diag>
    Nov 5, 2016, 05:33:52 PM    
/Library/Logs/DiagnosticReports/Preview_2016-11-05-173352_[redacted].hang
        /Applications/Preview.app/Contents/MacOS/Preview
    Nov 5, 2016, 04:54:51 PM    ~/Library/Logs/DiagnosticReports/SIMBL 
Agent_2016-11-05-165451_[redacted].crash
    Nov 5, 2016, 04:48:36 PM    Self test - passed
    Nov 5, 2016, 02:04:22 PM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-140422_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-140422_%5Bredacted%5D.cpu_resource.diag>
    Nov 5, 2016, 01:48:18 PM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-134818_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-134818_%5Bredacted%5D.cpu_resource.diag>
    Nov 5, 2016, 01:39:56 PM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-133956_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-133956_%5Bredacted%5D.cpu_resource.diag>
    Nov 5, 2016, 01:33:34 PM    
/Library/Logs/DiagnosticReports/WindowServer_2016-11-05-133334_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/WindowServer_2016-11-05-133334_%5Bredacted%5D.cpu_resource.diag>
        
/System/Library/PrivateFrameworks/SkyLight.framework/Resources/WindowServer
    Nov 4, 2016, 12:52:18 PM    
/Library/Logs/DiagnosticReports/Dropbox_2016-11-04-125218_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/Dropbox_2016-11-04-125218_%5Bredacted%5D.cpu_resource.diag>
    Nov 4, 2016, 10:48:15 AM    
/Library/Logs/DiagnosticReports/suggestd_2016-11-04-104815_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/suggestd_2016-11-04-104815_%5Bredacted%5D.cpu_resource.diag>
    Nov 4, 2016, 10:48:06 AM    
/Library/Logs/DiagnosticReports/NotificationCenter_2016-11-04-104806_[redacted].cpu_resource.diag
 [Details] 
<etrecheck://detail//Library/Logs/DiagnosticReports/NotificationCenter_2016-11-04-104806_%5Bredacted%5D.cpu_resource.diag>
    Nov 4, 2016, 07:38:06 AM    ~/Library/Logs/DiagnosticReports/SIMBL 
Agent_2016-11-04-073806_[redacted].crash
    Nov 3, 2016, 08:44:39 PM    
~/Library/Logs/DiagnosticReports/DataDetectorsActionService_2016-11-03-204439_[redacted].crash
        com.apple.DataDetectors.DataDetectorsActionService - 
/System/Library/PrivateFrameworks/DataDetectorsCore.framework/Versions/A/XPCServices/DataDetectorsActionService.xpc/Contents/MacOS/DataDetectorsActionService


> On 6 Nov. 2016, at 6:42 am, Ronni Brown <[email protected]> wrote:
> 
> Hi again Marcus,
> 
> If the test I mentioned in my previous reply did not make any difference, run 
> EtreCheck.app version 3.1.2 to get a system report.
> It might give you/us a clue as to what is happening.
> 
> The EtreCheck report is a snapshot of the overall health of your Macintosh. 
> Each individual line in the EtreCheck report may not have much meaning by 
> itself. 
> But taken together, the whole report tells a story about what is or is not 
> really going on inside your Macintosh.
> 
> It will also check for any Malware.
> 
> If you don't have EtreCheck on your Mac, download it from here: 
> <http://etrecheck.com/#download <http://etrecheck.com/#download>>
> 
> Cheers,
> Ronni
> 
> 13-inch MacBook Air (April 2014)
> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
> 8GB 1600MHz LPDDR3 SDRAM
> 512GB PCIe-based Flash Storage
> 
> macOS Sierra 10.12.1
> 
> 
>> On 5 Nov. 2016, at 7:18 pm, Ronni Brown <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi Marcus,
>> 
>>>> The remaining MAIL alerts appear after 10 minutes.
>>>> 
>>>> I can’t close these alerts and the NC window is not able to be opened 
>>>> again.
>> 
>> Test if this makes any difference:
>> Go to System Preferences > Notifications - scroll down to Mail
>> Mail alert style: select “Banners’ if you don’t already have this selected.
>> 
>> "Banners appear in the upper-right corner and go away automatically. Alerts 
>> stay on screen until dismissed”
>> That is how I have Notifications set for most of my applications.  
>> 
>> Cheers,
>> Ronni
>> 
>> 
>> 
>>> On 5 Nov. 2016, at 5:57 pm, Marcus F Harris <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> Oh Sorry about that Ronni and Peter.
>>> Yes I tried a “Guest Account”  and no apparent issues with NC..It works 
>>> fine, but there are no documents in that account. I added a little used 
>>> Gmail account and that was OK, with all boxes ticked in NC prefs.
>>> 
>>> Back in my Principal Account, NC is stable until an Alert appears.
>>> The first Alert is From Apps asking whether I want automatic download. This 
>>> appears after 5 minutes.
>>> The remaining MAIL alerts appear after 10 minutes.
>>> 
>>> I can’t close these alerts and the NC window is not able to be opened again.
>>> 
>>> I’m wondering if it’s MAIL that’s the problem. What do think about that?
>>> 
>>> I have 4000 emails in my iCloud Inbox and 5000 in Google Archive.
>>> 
>>> Pretty slack, I know.
>>> 
>>> Sure I would like to get rid of 90% of them. Is there a straightforward 
>>> bulk removal process?
>>> 
>>> Thanks and sorry to bother you again.
>>> 
>>> 
>>> Marcus
>>> Marcus F Harris
>>> [email protected] <mailto:[email protected]>
>>> Marcus F Harris
>>> [email protected] <mailto:[email protected]>
>>> iMac 27D Late 2009
>>> OS10.12.1
>>> 3 GHz Intel Duo Core
>>> 8Gb Ram
>>> 
>>> 
>>> 
>>>> On 5 Nov. 2016, at 2:29 pm, Ronda Brown <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>> 
>>>> You have something wrong happening on your system.
>>>> Are you sure you had turned Notifications back on after you had disabled 
>>>> it prior to carrying out my suggestion?
>>>> 
>>>> I haven't seen your reply to Peter's help.
>>>> What was your result when you carried out Peter H suggestion? 
>>>> 
>>>> /Begin Quote from Peter's reply message:
>>>> "The tried and true simple trouble shooting  resource is to log into 
>>>> another account on your computer (create a new one if necessary) and see 
>>>> if the problem persists, just to rule out the possibility of something 
>>>> specific to your account"
>>>> / End Quote from Peter's reply message
>>>> 
>>>> Cheers,
>>>> Ronni
>>>> Sent from Ronni's iPad4
>>>> 
>>>> 
>>>> On 5 Nov. 2016, at 2:11 pm, Marcus F Harris <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>> 
>>>>> Thanks Ronni,
>>>>> I don’t wish to take up your time on this problem.
>>>>> I used Activity Monitor and when I went back NC it faied again with “not 
>>>>> responding” I repeated that so I can say it didn’t work
>>>>> Then I went to Terminal and entered killall NotificationCenter as you 
>>>>> suggested.
>>>>> Nothing happened after I pressed “return” Or if it did there wasn’t a 
>>>>> response from NC.
>>>>> Maybe I have some Malware, but Sierra is working fine other than this NC 
>>>>> problem.
>>>>> Disk Doctor says AOK.
>>>>> Should I try some other startup command?
>>>>> Cheers and thanks
>>>>> 
>>>>> 
>>>>> Marcus
>>>>> Marcus Harris
>>>>> P.O. Box 7135
>>>>> Marcus Harris
>>>>> Shenton Park
>>>>> Western Australia 6008
>>>>> Australia
>>>>> Cryptodome Pty Ltd
>>>>> [email protected] <mailto:[email protected]>
>>>>> Mob: +61 (0) 417965618
>>>>> 
>>>>> 
>>>>> 
>>>>>> On 3 Nov. 2016, at 10:14 pm, Ronni Brown <[email protected] 
>>>>>> <mailto:[email protected]>> wrote:
>>>>>> 
>>>>>> Hi Marcus,
>>>>>> 
>>>>>> You DON’T delete anything that in Terminal!
>>>>>> 
>>>>>> You add the command prompt killall NotificationCenter after :~ 
>>>>>> cryptodomus$ killall NotificationCenter
>>>>>> Then hit Return key on your keyboard.
>>>>>> But - If you are not familiar with Terminal I would prefer you use 
>>>>>> Activity Monitor.app.
>>>>>> If you make a mistake in Terminal you can do a lot of damage.
>>>>>> 
>>>>>> 1. Open Activity Monitor.app
>>>>>> 2. Use the Search bar in the upper right corner Activity Monitor and 
>>>>>> type “Notif”, then click on “Notification Center”
>>>>>> 3. Now click the (X) “Quit Process” button, and choose “Quit” to 
>>>>>> relaunch Notification Center
>>>>>> 
>>>>>> Notice the Notification Center menu bar icon disappears and reappears 
>>>>>> when you kill it from Activity Monitor, this indicates it has been 
>>>>>> restarted.
>>>>>> 
>>>>>> Cheers,
>>>>>> Ronni
>>>>>> 
>>>>>> 13-inch MacBook Air (April 2014)
>>>>>> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
>>>>>> 8GB 1600MHz LPDDR3 SDRAM
>>>>>> 512GB PCIe-based Flash Storage
>>>>>> 
>>>>>> macOS Sierra 10.12.1
>>>>>>  
>>>>>>> On 3 Nov. 2016, at 9:08 pm, Marcus F Harris <[email protected] 
>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>> 
>>>>>>> Hi Ronni,
>>>>>>> Great but I’ve not attempted to work in terminal before.
>>>>>>> I found the app and opened it.
>>>>>>> the text “Marcus-F-Harris-iMac27:~ cryptodomus$ “.appears.
>>>>>>> Do I then delete this and enter the instructions you sent “killall 
>>>>>>> NotificationCenter” ?
>>>>>>> Or do I open a new window?
>>>>>>> Then what?
>>>>>>> Hate to stuff up in terminal.
>>>>>>> Cheers
>>>>>>> Marcus
>>>>>>> 
>>>>>>>> On 2 Nov. 2016, at 9:31 pm, Ronda Brown <[email protected] 
>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>> 
>>>>>>>> Hi Marcus,
>>>>>>>> 
>>>>>>>>> Is it possible to reset NC somehow?
>>>>>>>> 
>>>>>>>> Reset/Restart Notification Center:
>>>>>>>> You can forcibly restart the Notification Center in Terminal.app by 
>>>>>>>> issuing the following command string:
>>>>>>>> 
>>>>>>>> killall NotificationCenter
>>>>>>>> 
>>>>>>>> Note there is no space between the names 
>>>>>>>> 
>>>>>>>> Cheers,
>>>>>>>> 
>>>>>>>> Ronni
>>>>>>>> 
>>>>>>>> Sent from Ronni's iPad4
>>>>>>>> 
>>>>>>>> On 2 Nov. 2016, at 4:41 pm, Marcus F Harris <[email protected] 
>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>> 
>>>>>>>>> Hi Ronni,
>>>>>>>>> Thanks for your advice. Yes, Sierra otherwise operates just fine.
>>>>>>>>> I pretty much know how NC works as I had no issues before with El 
>>>>>>>>> Capitan.
>>>>>>>>> 
>>>>>>>>> I wouldn’t be concerned except when NC is functioning it reveals Mail 
>>>>>>>>> alerts which cover the RHS of the screen and cannot be deleted. In 
>>>>>>>>> fact if I point the mouse any where near the alerts, the system will 
>>>>>>>>> freeze with the spinning wheel turning for up to 20 seconds.
>>>>>>>>> 
>>>>>>>>> I have turned all the NC alerts off  and that clears that up. As soon 
>>>>>>>>> as I turn Mail back on the alerts reappear and block the screen.
>>>>>>>>> Then I have to restart.
>>>>>>>>> 
>>>>>>>>> I have a lot of emails in iCloud as I’m uncertain how to delete them 
>>>>>>>>> en masse so maybe that’s an issue
>>>>>>>>> 
>>>>>>>>> Is it possible to reset NC somehow?
>>>>>>>>> Cheers
>>>>>>>>> 
>>>>>>>>> Marcus
>>>>>>>>> Marcus F Harris
>>>>>>>>> [email protected] <mailto:[email protected]>
>>>>>>>>> Marcus F Harris
>>>>>>>>> [email protected] <mailto:[email protected]>
>>>>>>>>> iMac 27D Late 2009
>>>>>>>>> OS10.12.1
>>>>>>>>> 3 GHz Intel Duo Core
>>>>>>>>> 8Gb Ram
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>> 
>>>>>>>>>> On 1 Nov. 2016, at 9:36 pm, Ronda Brown <[email protected] 
>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>> 
>>>>>>>>>> Hi Marcus,
>>>>>>>>>> 
>>>>>>>>>> I have not experienced any problems with Notification Center in 
>>>>>>>>>> Sierra or iOS 10 on my Macs and iDevices. So I don't think your 
>>>>>>>>>> issue is caused by Sierra.
>>>>>>>>>> 
>>>>>>>>>> Have you had a good read on how to use Notification centre in Sierra?
>>>>>>>>>> https://support.apple.com/kb/PH25142?viewlocale=en_US&locale=en_US 
>>>>>>>>>> <https://support.apple.com/kb/PH25142?viewlocale=en_US&locale=en_US>
>>>>>>>>>> macOS Sierra: Use Notification Center.                               
>>>>>>>>>>                    
>>>>>>>>>> Alerts, alarms, reminders, email-chances are you see a steady stream 
>>>>>>>>>> every day. Notification Center is Sierra's Grand Central Station for 
>>>>>>>>>> the information competing for your attention. It's settings control 
>>>>>>>>>> which apps can post messages to the upper-right corner of your 
>>>>>>>>>> display, as well as how those messages look.
>>>>>>>>>> The Notification Center sidebar, which slides in from the right of 
>>>>>>>>>> your screen, gives you an overview of it all.
>>>>>>>>>> 
>>>>>>>>>> Have you set control Notifications' look? Individual notifications 
>>>>>>>>>> appear at the top-right of the screen. You can tweak how they 
>>>>>>>>>> appear, or whether they appear at all, on an app-by-app basis.
>>>>>>>>>> Go to System Preferences > Notifications and select an app from the 
>>>>>>>>>> list at the left. Now set up the way that app will notify you at the 
>>>>>>>>>> right. You can pick from three Notification styles.
>>>>>>>>>> 
>>>>>>>>>> Cheers,
>>>>>>>>>> Ronni
>>>>>>>>>> Sent from Ronni's iPad4
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> On 1 Nov. 2016, at 7:29 pm, Marcus F Harris <[email protected] 
>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>> 
>>>>>>>>>>> Hi,
>>>>>>>>>>> I’m still trying to resolve this corruption of (NC) Notification 
>>>>>>>>>>> Centre.
>>>>>>>>>>> NC operated well with El Capitan but is problematic with Sierra.
>>>>>>>>>>> 
>>>>>>>>>>> I think it is due to interference between Google and Apple mail 
>>>>>>>>>>> accounts. 
>>>>>>>>>>> I have tried turning them on and off alternately and the freezing 
>>>>>>>>>>> of NC arises when email notices present to be either closed or 
>>>>>>>>>>> replied to.
>>>>>>>>>>> If I try either of those options, nothing happens and the NC 
>>>>>>>>>>> freezes for up to 20 seconds. 
>>>>>>>>>>> As long as these email notices don’t appear I can switch on NC.
>>>>>>>>>>> 
>>>>>>>>>>> BY THE WAY the email notices that appear are all from my gmail 
>>>>>>>>>>> account.
>>>>>>>>>>> 
>>>>>>>>>>> I’m going to turn off gmail completely and access them from the 
>>>>>>>>>>> website and see if that makes a difference.
>>>>>>>>>>> If you have any other ideas, please feel free to let me know.
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> Cheers
>>>>>>>>>>> 
>>>>>>>>>>> Marcus
>>>>>>>>>>> Marcus F Harris
>>>>>>>>>>> [email protected] <mailto:[email protected]>
>>>>>>>>>>> Marcus F Harris
>>>>>>>>>>> [email protected] <mailto:[email protected]>
>>>>>>>>>>> iMac 27D Late 2009
>>>>>>>>>>> OS10.12.1
>>>>>>>>>>> 3 GHz Intel Duo Core
>>>>>>>>>>> 8Gb Ram
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>> 
>>>>>>>>>>>> On 28 Oct. 2016, at 2:04 pm, Marcus F Harris <[email protected] 
>>>>>>>>>>>> <mailto:[email protected]>> wrote:
>>>>>>>>>>>> 
>>>>>>>>>>>> Thanks Peter and Ronni,
>>>>>>>>>>>> I have an apple Bluetooth mouse only.
>>>>>>>>>>>> I have two gmail accounts and one iCloud account.
>>>>>>>>>>>> I will try turning off the gmail accounts and see if that helps.
>>>>>>>>>>>> Let you know ASAP.
>>>>>>>>>>>> Cheers
>>>>>>>>>>>> Marcus 
>>>>>>>>>>>> 
>>>>>>>>>>>> Sent from Marcus iPhone 5
>>>>>>>>>>>> 
>>>>>>>>>>>>> On 28 Oct. 2016, at 7:58 am, Peter Hinchliffe 
>>>>>>>>>>>>> <[email protected] <mailto:[email protected]>> 
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>>> On 27 Oct. 2016, at 10:56 pm, Marcus F Harris 
>>>>>>>>>>>>>> <[email protected] <mailto:[email protected]>> wrote:
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Someone else may have problems with the Notification Centre 
>>>>>>>>>>>>>> since installing Sierra and had feedback that I missed.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Notifications appear as before on the RHS of the screen. These 
>>>>>>>>>>>>>> are mostly MAIL notifications.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Before installing Sierra with El Capitan all my apps worked well.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Now Notifications will not respond to mouse clicks and the 
>>>>>>>>>>>>>> system freezes for up to 15 seconds before responding.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> I have tried disk doctor and looking for a solution in System 
>>>>>>>>>>>>>> prefs, but I’m stumped.
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> Any advice gratefully received
>>>>>>>>>>>>>> 
>>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Everything is working fine on my system Marcus. Whatever else is 
>>>>>>>>>>>>> going it’s unlikely to be a Sierra issue per se; more likely 
>>>>>>>>>>>>> something else you have running that needs an update.The tried 
>>>>>>>>>>>>> and true simple trouble shooting  resource is to log into another 
>>>>>>>>>>>>> account on your computer (create a new one if necessary) and see 
>>>>>>>>>>>>> if the problem persists, just to rule out the possibility of 
>>>>>>>>>>>>> something specific to your account.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Peter Hinchliffe        Apwin Computer Services
>>>>>>>>>>>>> FileMaker Pro Solutions Developer
>>>>>>>>>>>>> Perth, Western Australia
>>>>>>>>>>>>> Phone (618) 9332 6482    Mob 0403 046 948
>>>>>>>>>>>>> --------------------------------------------------------------------
>>>>>>>>>>>>> Mac because I prefer it -- Windows because I have to.
> 
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