suutire sttiwswor
suutire sttiwswor voted up Natalie Holeman's answer

I know what I am about to say is a pain.  Rebuild your system.  A long time ago Microsoft recommended you rebuild your systems every 3-6 months.  After you rebuild and install your software (including a good anti-malware program) and all patches, backup your system writing a full disk image. 

I also recommend you install … Read more