Thank you for your replies. After backing up my data I restarted my PC and it seems to be working OK. Phew!

Thanks for your reply once again. I think the window which appeared briefly was black (a bit like command prompt but not quite as it looked semi transparent). I think I saw reg at the top right of...

Thank you for your reply. My concern is that I wonder whether I have inadvertently altered the registry by clicking the file as something popped up onscreen and disappeared before I could read it. I...

Hello,

I wonder whether anyone can tell me if I have messed up. I was busy saving a .reg file of a whole registry backup of my new Win 11 PC onto my Win 10 PC when I noticed a very old whole...