Back up the data that you know you want to keep, format the hard drive and re install Windows, then your security software. Finally, scan your backup, and reinstall your data if it’s clean.
>>Back up the data that you know you want to keep, format the hard drive and re install Windows, then your security software. Finally, scan your backup, and reinstall your data if its clean.<<
That’s the best advice you’ll get. It is really your only choice.
This assumes you have taken the obligatory steps of ridding the computer of trojans, virus, and failed applications without success.