https://www.lifewire.com/how-to-use-system-restore-in-windows-2626131

Hope it works but be aware certain things you may have been working since the last restore point may get wiped out. That's why it's a good idea to have recent restore points.

http://lmgtfy.com/?q=where+do+I+go+to+choose+another+restore+point

Sometimes you can get answers to your questions much quicker by searching Google.

I may be way out of my element here as I'm no expert by any means, but I did have a similar situation previously.

The suggestion given me that solved the problem was that after double-clicking the wba file, open Windowblinds, click the gear icon at upper right, and click "rebuild list".