If the fix will not run complete then run it in safe mode. Tap F8 key after restarting the computer.
Check out this tutorial on how to start Windows Vista in Safe Mode, which can provide a means to troubleshoot complicated problems.
www.lifewire.com
Also, run a scan with Malwarebytes, you will need this older version but the database is still viable.
Once installed do not install the new version as it will prompt you.
Click on scan then make sure threat scan is checked.
Then hit the start scan button.
Once complete make sure all detected items are checked.
Then click quarantine selected.
Then click export summary then copy to clipboard, post it here.