Many computers experienced BSOD (Blue Screen Of Death) or continuous reboots after applying security update 977165. Often this was an indicator that the PC was infected with a rootkit virus.
Microsoft has a free “fix it” tool that will scan your PC and let you know if they think you will have a problem installing 977165.
It does not FIX anything, just let you know if it’s probably safe to do the fix.
Find the utility here:
