Can't Uninstall IE9 RC to install full IE9

I have tried installing the full version of Internet Explorer 9 on my Windows 7 Pro 32bit laptop but it keeps failing to install.  I thought I'd try uninstalling the IE9 RC version I had installed, but everytime I try to uninstall from 'View installed updates', I get the following error:
   "An error has occurred.  Not all of the updates were successfully uninstalled."

I have disabled Symantec Endpoint Protection client.  I have checked to see if I can go back in System Restore, but my restore points don't go back far enough.

For the record I also have been unable to install Service Pack 1.
bosshognzAsked:
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bosshognzAuthor Commented:
A link to more links, thanks.  Which one are you suggesting should work?  Have done my own google research before coming onto EE to list my problem.  Google proved fruitless for me so now I'm looking for an expert to help!

I have tried "FORFILES /P %WINDIR%\servicing\Packages /M Microsoft-Windows-InternetExplorer-*9.*.mum /c "cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart"
already.  3 times.  Didn't work either.
JohnBusiness Consultant (Owner)Commented:
That IE9 does not install is probably linked to SP1 not able to install (not for sure, of course).

Try a couple of things:
1. Microsoft System Readiness Tool:
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=44e15787-66b0-4e9c-9c3b-1fc9ea40f69f

2. In Place Windows 7 Repair (DO back up first):
http://windows.microsoft.com/en-CA/windows7/products/features/startup-repair

... Thinkpads_User
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bosshognzAuthor Commented:
Hi thinkpad,

MS System Readiness didn't make any difference, to an install of the IE 9 full release or unistallation of the previous version.

I did a Startup Repair - no issues were detected.  Still failed to uninstall RC.

:(
JohnBusiness Consultant (Owner)Commented:
Is your machine Windows 7 certified? Or, was it an upgrade from a prior OS?   All the machines I service have taken SP1 without difficulty.

At this point, whatever the machine, the likelihood now is that you need to back up everything and do a fresh install of Windows 7 Pro.   .... Thinkpads_User

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bosshognzAuthor Commented:
It is a legal version of Microsoft, I work for a Microsoft partner and the license is part of that deal. ... if thats what you're meaning by Windows 7 certified.  I did  upgrade it from Vista Business.  Its also the first Win7 computer I've had trouble installing SP1 on too.

Was hoping you wouldn't say that!!!

I would appreciate any other possible solutions before then.... am going to have to have to leave it until the weekend to install it from scratch so there is still time.
JohnBusiness Consultant (Owner)Commented:
My comment about "certified" was about the hardware, not the legality of your software. I did not mean to suggest anything was not legal.

Since you upgraded from Vista, there may be hardware issues, but I hope not.

See what happens if someone else has a possible solution, but you may eventually have to reinstall.

... Thinkpads_User
bosshognzAuthor Commented:
Got a link to see if it is certified?

I have an HP 6730B laptop, Intel Core 2 Duo CPU (@2.40ghz), 2GB RAM, integrated graphics and running 32bit Windows 7.

Has been humming along fine until I tried installing SP1.... and then IE9.
JohnBusiness Consultant (Owner)Commented:
Thanks. I looked at this link from HP

http://h10010.www1.hp.com/wwpc/us/en/en/WF05a/321957-321957-64295-321838-3955547-3687777.html

and it seems to be certified (by HP) for Windows 7. All that really means is that HP puts out working Windows 7 drivers for it.

... Thinkpads_User
bosshognzAuthor Commented:
Just getting ready tonight to do the reinstall tomorrow. Unless there's no further interjections before then, will accept 'reinstall windows 7' as my answer.
Thanks
bosshognzAuthor Commented:
Did the fresh install of Win 7 Pro with SP1 that is now available and was able to install IE9 after that.  A shame I had to go to those lengths, but it worked.  Thanks thinkpads_user
JohnBusiness Consultant (Owner)Commented:
You are most welcome and I was pleased to assist. ... Thinkpads_User
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