Dear Ronni,
You have certainly given me a lot of great advice.
I'm going to follow it carefully, but it will take me a few days. 
I will report back when done.
Thanks so much
Marcus

Sent from Marcus iPhone 5

> On 6 Nov. 2016, at 10:50 pm, Ronni Brown <[email protected]> wrote:
> 
> Ok Marcus,
> I’ve had a look at your EtreCheck system report. The items that stand out 
> I’ve indicated below.
> I also feel you need to check all your applications especially third party 
> apps & plugins for updates.
> 
>  CS2 applications were written for the PowerPC processors that ran older 
> Macs. 
> The last version of Mac OS X to run PowerPC software was OS X 10.6.8 Snow 
> Leopard.
> 
> There is no way to run Adobe CS2 software on macOS 10.12 Sierra. The only 
> option is to use a newer version of the software.
> Startup Items: ⓘ
>     AdobeVersionCueCS2: Path: /Library/StartupItems/AdobeVersionCueCS2
>     TuxeraNTFSUnmountHelper: Path: 
> /Library/StartupItems/TuxeraNTFSUnmountHelper
>     Startup items no longer function in OS X Yosemite or later
> 
> Uninstall these startup items - Startup items are obsolete since OS X Yosemite
> 
> Launch Agents: ⓘ
>   [not loaded]    net.culater.SIMBL.Agent.plist (2016-03-25) [Support]
> 
> SIMBL needs to be uninstalled - EasySIMBL does not work anymore because of 
> the System Integrity Protection introduced in El Capitan
> 
> Time Machine:
>   Size of backup disk: Too small
>             Backup size 1.00 TB < (Disk used 350.63 GB X 3)
> 
> Your iMac’s Macintosh HD is 2TB size and you are backing up to a 1TB size 
> drive.
> Your Time Machine backup Drive should be at least 2 times the size of all the 
> data you are backing up.
> 
> Time Machine requires that your destination volume have, as a bare minimum, 2 
> times the space occupied by the data you’re backing up. (That gives some 
> extra space to store multiple versions of at least some files.) 
> So, as a first pass, multiply the “Used” value you see in the Get Info window 
> by 2 to find out the smallest partition size Time Machine can use.
> 
> You’ll be far better off setting aside 3 times the amount of space used on 
> your disk for backups. 
> 
> The reason is simple: the more space Time Machine has to work with on the 
> destination drive, the more backups it can store—and the farther back in time 
> you can reach when you restore data.
> 
> My Time Machine backup of my MacBook Pro 1TB HD is to a 3TB Time Capsule 
> drive and the backups go back to January 2012
> —
> Click the [Support] links for help with non-Apple products.
> Click the [Details] links for more information about that line.
> 
> Diagnostics Information: ⓘ
> Click the [Details] for more information especially the NotificationCenter 
> lines (the details will only show on your Mac not mine)
> NotificationCenter_2016-11-06-124035_[redacted].cpu_resource.diag [Details]
> 
> 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 6 Nov. 2016, at 8:34 pm, Marcus F Harris <[email protected]> wrote:
>> 
>> 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
>> 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: ⓘ
>>     iMac (27-inch, Late 2009) 
>>     [Technical Specifications] - [User Guide] - [Warranty & Service]
>>     iMac - model: iMac10,1
>>     1 3.06 GHz Intel Core 2 Duo (Duo) CPU: 2-core
>>     8 GB RAM Upgradeable - [Instructions]
>>         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: ⓘ
>>     ATI Radeon HD 4670 - VRAM: 256 MB
>>         iMac 2560 x 1440
>> 
>> System Software: ⓘ
>>     macOS Sierra  10.12.1 (16B2555) - Time since boot: about one day 
>> 
>> Disk Information: ⓘ
>>     ST2000DM001-1ER164 disk0 : (2 TB) (Rotational)
>>     [Show SMART report]
>>         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: ⓘ
>>     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: ⓘ
>>     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: ⓘ
>>     Mac App Store and identified developers
>> 
>> Kernel Extensions: ⓘ
>>         ~/Documents/SOFTWARE/TOAST TITANIUM 10/Toast 10 Titanium/Toast 
>> Titanium.app
>>     [not loaded]    com.roxio.BluRaySupport (1.1.6 - 2013-09-25) [Support]
>>     [not loaded]    com.roxio.TDIXController (2.0 - 2013-09-25) [Support]
>> 
>> Startup Items: ⓘ
>>     AdobeVersionCueCS2: Path: /Library/StartupItems/AdobeVersionCueCS2
>>     TuxeraNTFSUnmountHelper: Path: 
>> /Library/StartupItems/TuxeraNTFSUnmountHelper
>>     Startup items no longer function in OS X Yosemite or later
>> 
>> System Launch Agents: ⓘ
>>     [not loaded]    8 Apple tasks
>>     [loaded]    164 Apple tasks
>>     [running]    99 Apple tasks
>> 
>> System Launch Daemons: ⓘ
>>     [not loaded]    41 Apple tasks
>>     [loaded]    157 Apple tasks
>>     [running]    105 Apple tasks
>> 
>> Launch Agents: ⓘ
>>     [loaded]    com.google.keystone.agent.plist (2016-08-25) [Support]
>>     [loaded]    com.hp.help.tocgenerator.plist (2014-01-03) [Support]
>>     [not loaded]    net.culater.SIMBL.Agent.plist (2016-03-25) [Support]
>> 
>> Launch Daemons: ⓘ
>>     [loaded]    com.adobe.fpsaud.plist (2016-10-24) [Support]
>>     [loaded]    com.bombich.ccchelper.plist (2016-03-14) [Support]
>>     [loaded]    com.google.keystone.daemon.plist (2016-09-02) [Support]
>>     [loaded]    com.macpaw.CleanMyMac3.Agent.plist (2016-10-04) [Support]
>>     [loaded]    com.microsoft.office.licensing.helper.plist (2012-04-02) 
>> [Support]
>> 
>> User Launch Agents: ⓘ
>>     [loaded]    com.adobe.ARM.[...].plist (2016-10-13) [Support]
>>     [loaded]    com.macpaw.CleanMyMac3.Scheduler.plist (2016-11-03)
>> 
>> User Login Items: ⓘ
>>     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: ⓘ
>>     Flip4Mac WMV Plugin: 3.1.0.24   - SDK 10.8 (2013-02-24) [Support]
>>     FlashPlayer-10.6: 23.0.0.205 - SDK 10.9 (2016-11-03) [Support]
>>     QuickTime Plugin: 7.7.3 (2016-10-27)
>>     AdobePDFViewerNPAPI: 11.0.18 - SDK 10.6 (2016-10-15) [Support]
>>     AdobePDFViewer: 11.0.18 - SDK 10.6 (2016-10-13) [Support]
>>     Flash Player: 23.0.0.205 - SDK 10.9 (2016-11-03) [Support]
>>     SharePointBrowserPlugin: 14.4.8 - SDK 10.6 (2015-02-16) [Support]
>>     RealPlayer Plugin: Unknown (2010-10-01) [Support]
>>     Silverlight: 5.1.30514.0 - SDK 10.6 (2015-04-13) [Support]
>>     DirectorShockwave: 11.6.8r638 (2012-12-12) [Support]
>>     iPhotoPhotocast: 7.0 (2010-06-24)
>> 
>> User internet Plug-ins: ⓘ
>>     Google Earth Web Plug-in: 7.1 (2015-04-13) [Support]
>> 
>> Safari Extensions: ⓘ
>>     Evernote Web Clipper - Evernote Corp. - http://evernote.com (2015-10-23)
>>     Translate - SideTree.com - Apps for Mac and Web - 
>> http://SideTree.com/extensions.html#Translate (2016-08-10)
>> 
>> 3rd Party Preference Panes: ⓘ
>>     Flash Player (2016-10-24) [Support]
>>     Flip4Mac WMV (2013-01-10) [Support]
>> 
>> Time Machine: ⓘ
>>     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: ⓘ
>>         11%          WindowServer
>>          2%          mdworker(25)
>>          2%          kernel_task
>>          1%          fontd
>>          0%          com.apple.AmbientDisplayAgent
>> 
>> Top Processes by 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: ⓘ
>>     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: ⓘ
>>     Nov 6, 2016, 12:40:35 PM    
>> /Library/Logs/DiagnosticReports/NotificationCenter_2016-11-06-124035_[redacted].cpu_resource.diag
>>  [Details]
>>         
>> /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]
>>         /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]
>>         
>> /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]
>>         
>> /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]
>>     Nov 5, 2016, 05:38:04 PM    
>> /Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-173804_[redacted].cpu_resource.diag
>>  [Details]
>>     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]
>>     Nov 5, 2016, 01:48:18 PM    
>> /Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-134818_[redacted].cpu_resource.diag
>>  [Details]
>>     Nov 5, 2016, 01:39:56 PM    
>> /Library/Logs/DiagnosticReports/NotificationCenter_2016-11-05-133956_[redacted].cpu_resource.diag
>>  [Details]
>>     Nov 5, 2016, 01:33:34 PM    
>> /Library/Logs/DiagnosticReports/WindowServer_2016-11-05-133334_[redacted].cpu_resource.diag
>>  [Details]
>>         
>> /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]
>>     Nov 4, 2016, 10:48:15 AM    
>> /Library/Logs/DiagnosticReports/suggestd_2016-11-04-104815_[redacted].cpu_resource.diag
>>  [Details]
>>     Nov 4, 2016, 10:48:06 AM    
>> /Library/Logs/DiagnosticReports/NotificationCenter_2016-11-04-104806_[redacted].cpu_resource.diag
>>  [Details]
>>     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>
>>> 
>>> 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]> 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]> 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]
>>>>> Marcus F Harris
>>>>> [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]> 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]> 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]
>>>>>>> Mob: +61 (0) 417965618
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>> On 3 Nov. 2016, at 10:14 pm, Ronni Brown <[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]> 
>>>>>>>>> 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]> 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]> 
>>>>>>>>>>> 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]
>>>>>>>>>>> Marcus F Harris
>>>>>>>>>>> [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]> 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
>>>>>>>>>>>> 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]> 
>>>>>>>>>>>>> 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]
>>>>>>>>>>>>> Marcus F Harris
>>>>>>>>>>>>> [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]> 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]> wrote:
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> 
>>>>>>>>>>>>>>>> On 27 Oct. 2016, at 10:56 pm, Marcus F Harris 
>>>>>>>>>>>>>>>> <[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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