Your recent blue screens were caused by Product:
VIPRE Anti-Rootkit Company:
GFI Software Description:
Suggest to uninstall with the programs uninstaller and use Microsoft security essentials and the free MBAM to test. Make full scans with each separately.
Run the System File Checker that scans the of all protected Windows 7
system files and replaces incorrect corrupted, changed/modified, or damaged versions with the correct versions if possible:
- Click on the
- Type CMD on Search
- Left click and Run as Administrator
- Type SFC /scannow
Full tutorial here:
Run Disk Check on your hard disk for file system errors and bad sectors on it:
Free up the start-up, nothing except the antivirus is usually needed.
Let us know if this helps