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Can't uninstall Symantec Antivirus 10.1.5000

Created: 12 May 2008 • Updated: 21 May 2010 | 8 comments
I recently upgraded my Dell Optiplex 745 from Windows XP Pro which has Symantec Antivirus 10.1.5000 to Windows Vista Ulitimate upgrade.  I didn't uninstall 10.1.5000 which I probably should have done.  I tried to install Symantec Antivirus 10.2 for Vista on but it won't install.  Every time I try installing I get a message "This version of Symantec Antivirus does not support Vista platforms." Is there a way to uninstall 10.1.5000 manually.  Any suggestions would be helpful.

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Mike Kruzel's picture
I figured it out.  There was a kb article and had to delete a ton of registry keys which was annoying but helped.  There should be some kind of uninstall utility for Enterprise versions.
jbrandon's picture

Perhaps including the link to the KB you found would help other people

which leads you to -

Symantec AntiVirus 10.2 for Windows Vista

Manually uninstalling Symantec AntiVirus 10.2 client

Message Edited by jbrandon on 06-20-2008 11:44 PM

Message Edited by jbrandon on 06-20-2008 11:44 PM

SEP sux's picture

This isnt a acceptable solution to uninstall manually.

Rconnelly's picture

This is really bad. After upgrading to windows server 2008, Symantec could not be installed automatically. They don't support server 2008 at all. I spent a lot of time manually uninstalling symantec's antivirus, and boy is it a very tedious exercise to say the least.

I'm switching to another anti-virus provider at this point. Too bad that my company spent a lot of money 6 months ago on the corporate license.

Jeremy Dundon's picture

Include that you absolutely must uninstall Antivirus products before you migrate your OS.

In fact, the Windows 7 upgrade flat out wont let you do this while AV is installed. 

In short, this is not so much an antivirus (Symantec) problem as it is a problem with upgrading OS.

Derrick Farley's picture

Windows Server 2008 is, in fact, supported by both available versions of our AV family, Operating System upgrades, however, have never been supported. Regardless of our software being installed beforehand or not.
If you are having trouble installing to a 2008 machine, verify that you have downloaded the latest available version of Symantec AntiVirus (currently or Symantec Endpoint Protection ( 11.0.4202). Current release versions can be found by logging on to , choosing desired language and inputting your serial number.

If you need assistance with any of this process or have additional questions, please call in to support at 1-800-927-4017.

Viachaslau Kabak's picture

you can use CleanWipe tool - just open a case on Symantec Support and ask them

Peterpan's picture

Hi use a nonav tools it is tried and tested uninstall tool from symantec