Another thing to look at, have you made any changes to the game settings since it was working fine. You should also check the game forum and see if anyone else is having this.

Very useful information. In the link there is a Googledoc that lists anti virus vendor response: CVE-2017-5753, CVE-2017-5715, and CVE-2017-5754 (Meltdown and Spectre) Windows antivirus patch...

Sounds like they found a back door that's been there for a long time.

Decrypt the drive, then encrypt again.

When I owned my shop we would never use system restore, or recent backups. I also very seldom ever saw people backup there files, no matter how much we said backup. Also remember if you're going to...

You're very right. No recent backup should be trusted.