Thanks Ronni and Daniel (yet again). I have followed your advice (as below) 
Ronni and repaired permissions  and the disk. There didn't appear to be much 
wrong. Curiously when I senected the 10.8.4 disk to restart I got the message: 
"You can't change the startup disk to the selected disk. Building boot caches 
on boot helper partition failed." I needed to select the "shut down" option and 
then restart manually.

I then reinstalled the 10.8.4 combo package and got the same 'failed' message. 
I've opened the Console and saved the log, but really don't understand it. I'm 
not sure I should post it to the list either as it's long and complicated. I'll 
put a shortened version below.

Interestingly when I "Get Info" on my hard drive it tells me I can only read. I 
suspect that's not the problem as Elaine's iMac tells her that too and I 
installed the exact same combo update on it successfully yesterday (whilst mine 
was reinstalling Mountain Lion).

I may need to resort to Daniel's advice and backup, erase and reinstall again, 
however I'd like to cover all other options first.

The abbreviated log is:

Jun 27 14:15:02 Regs-MacBook-Pro.local installd[313]: PackageKit: Install 
Failed: Error Domain=PKInstallErrorDomain Code=121 "An error occurred while 
updating system extension information." UserInfo=0x7fcc77752410 
{NSUnderlyingError=0x7fcc77a93860 "The operation couldn’t be completed. 
(kextcache error 71.)", NSLocalizedDescription=An error occurred while updating 
system extension information., arguments=(
            "-update-volume",
            "/",
            "-Installer"
        )} {
            NSLocalizedDescription = "An error occurred while updating system 
extension information.";
            NSUnderlyingError = "Error Domain=kextcache Code=71 \"The operation 
couldn\U2019t be completed. (kextcache error 71.)\"";
            arguments =     (
                "-update-volume",
                "/",
                "-Installer"
            );
        }
Jun 27 14:15:02 Regs-MacBook-Pro.local Installer[289]: 
install:didFailWithError:Error Domain=PKInstallErrorDomain Code=121 "An error 
occurred while updating system extension information." UserInfo=0x7fb1468bdf40 
{arguments=(
            "-update-volume",
            "/",
            "-Installer"
        ), NSLocalizedDescription=An error occurred while updating system 
extension information., NSUnderlyingError=0x7fb146be9f00 "The operation 
couldn’t be completed. (kextcache error 71.)"}
Jun 27 14:15:03 Regs-MacBook-Pro.local Installer[289]: Install failed: The 
Installer encountered an error that caused the installation to fail. Contact 
the software manufacturer for assistance.
Jun 27 14:15:03 Regs-MacBook-Pro.local Installer[289]: IFDInstallController 
42A424A0 state = 7
Jun 27 14:15:03 Regs-MacBook-Pro.local Installer[289]: Displaying 'Install 
Failed' UI.
Jun 27 14:15:03 Regs-MacBook-Pro.local Installer[289]: 'Install Failed' UI 
displayed message:'The Installer encountered an error that caused the 
installation to fail. Contact the software manufacturer for assistance.'.
Jun 27 14:15:25 Regs-MacBook-Pro.local installd[313]: installd: Exiting.


Does this make any sense?

Reg
(Thinking it must be 5 o'clock somewhere!)



On 27/06/2013, at 1:33 pm, Ronda Brown <[email protected]> wrote:

> 1. Open Disk Utility and Repair Permissions
> 2. Then boot into Recovery and 'Repair the Disk' with Disk Utility.
> 
> Then, try to install the Combo Update.
> 
> Cheers,
> Ronni
> 
> Sent from Ronni's iPad4
> 
> On 27/06/2013, at 11:48 AM, Reg Whitely <[email protected]> wrote:
> 
>> Hi all
>> 
>> I've just installed the 10.8.4 combo and again "still" receive the message 
>> "The installation failed. The installer encountered an error that caused the 
>> installation to fail. Contact the software manufacturer for assistance'".
>> 
>> When I restarted the computer 10.8.4 has indeed been installed. This was the 
>> problem I was trying to solve by reinstalling OS X. What is happening in the 
>> system to cause this, does anyone know?
>> 
>> Reg
>> 
>> 
>> On 27/06/2013, at 11:25 am, Reg Whitely <[email protected]> wrote:
>> 
>>> Thanks Daniel and Ronni
>>> 
>>> As an update, I've followed your advice, made a bootable backup using 
>>> CCCloner, backed up to Time Machine, erased the SSD, reinstalled OS X from 
>>> Recovery via a net download, and then restored apps and data from Time 
>>> Machine. All seems Ok at this time.
>>> 
>>> It wasn't quite as easy as that though, as after restarting with Opt key, 
>>> Disk Utility initially could not erase the disk as it "could not dismount 
>>> the disk", or words to that effect. Using Techtools Pro last week, thinking 
>>> it might fix the troubles I had with the computer, it had installed an 
>>> eDrive partition which simply could not be deleted. Disk Utility could not 
>>> repartition the SSD as again it  "could not dismount the disk". Eventually 
>>> I was able to erase each of the separate partitions but the eDrive 
>>> partition remained, albeit I could rename it something else. I'm not sure I 
>>> wanted that to remain so I decided to use the iMac and restarted the 
>>> MacBook in Target Firewire mode. I used Disk utility on the iMac to 
>>> repartition the SSD back to one partition.
>>> 
>>> Restarting the MacBook Pro with the Opt key down there was then no Recovery 
>>> Disk option (I guess I blew that away too) so the computer prompted me to 
>>> reinstall from the net, which I did.
>>> 
>>> From there it was easy to reinstall the data from Time Machine.
>>> 
>>> That entire process took around 6 hours, on and off. I was able to go away 
>>> and do other things as the Mountain Lion was dragged in through the net!
>>> 
>>> All a bit puzzling to me but as I said, all seems to be well but time will 
>>> tell - when the next OS X update is released perhaps. 
>>> 
>>> *Ah yes I note the installed ML is 10.8.3 so there is a combo update 
>>> waiting in my downloads folder to deal with after I finish this email, so 
>>> I'll post an update when that has been installed!
>>> 
>>> Daniel, as an aside, I have received a response from Alsoft re Disk Warrior 
>>> and SSDs. I'll post it separately on-list. Look out for it as it may raise 
>>> some eyebrows and discussion ;-)
>>> 
>>> Regards and thanks
>>> 
>>> Reg
>> 
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Reg Whitely

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