yes, please do a hard drive test first!
CHKDSK / F
or
CHKDSK /X /F
Search google, how to disable services.msc in registry, it will tell you where to look and check to see if it is in fact disabled...
Probably would not hurt;
SFC /scannow
if SFC Scannow does not work, then it is a problem with a trojan. I used
the kaspersky TDS Killer to remove. "do not use unless you have a problem"