Follow these steps.
1) Click on this link and run the fol tools in the given order after
running the 3 rd tool u will be prompted to restart teh comp.
ftp://ftp.symantec.com/public/englis...en/\msifix.bat ftp://ftp.symantec.com/public/englis...MSICLEANUP.reg ftp://ftp.symantec.com/public/englis...gen/symnrt.exe
2)back up the registry
3)remove the foll keys in the registry HKEY_LOCAL_MACHINE\SOFTWARE
\Symantec
HKEY_CURRENT_USER\Software\Symantec
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
\Sevinst
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
\LiveUpdate
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
\symsetup
HKEY_USERS\.DEFAULT\Software\Symantec.
If u do not find some keys that is Ok.
4)delete the foll fodlers.
C:\Documents and Settings\All Users\Application DataSymanetc and
delete the sym folder.
C:\Program Files\Common Files\SYm shared
and any folders in Prog files called Norton, Symantec, SymnetDrv.
5)Then clean the temp file suing %temp% command.
6)_if u have problems in deleting any files then boot ur comp in safe
mode and then delete them.