Run these tools and delete anything they find:
ESET online scanner:
Recommended antivirus program for Windows 7 based on stability compared to others:-
Do not start the free trial of Malware Bytes; remember to deselect that option when prompted.
Run a full scan with both (separately) once downloaded, installed and updated. Daemon Tools
Please uninstall DAEMON Tools. It uses a driver
called sptd.sys which is known to cause BSODs in Windows 7. Uninstall the software using Add/Remove Programs. Reboot the system. Once the program is uninstalled, run sptd.sys uninstaller
to remove the driver from your system.
As an alternative, many people recommend the use of Total Mounter
or Magic ISO
Free up the start-up, nothing except the antivirus is usually needed.
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: