I am sorry for your devastating loss and hope you have backups and have not it all. My recommendation is to ditch Windows and go to Linux. You can run it on the same machine and even run a duel boot system to do things you have to do in Windows but stay off line when in Windows and only connect in Linux. I have used Ubuntu for years and do not have any form of virus of spyware protection. Never a problem.
As a bonus for those with Scot heritage it is all free.
