1. May i know the version of windows XP installed (Service pack 2 or 3)
Service Pack 2
2. May i know the IE version installed on your PC IE 6,7 or 8....?
3. Could you please post the error message here in your next reply ( If possible attach a screenshot)
We're having trouble installing your McAfee software. Click OK and wait while we fix the issue. Once fixed, we will automatically continue your installation from where it left off.
4. Have you made any changes on your PC recently & is windows up to date....?
Windows is up to date with the exception of being unable to update to Service Pack 3.