Surface pro 3 issue

If anyone has another solution please help me. I’m freaking out a little, so even if it’s the slightest chance it’ll work. (Bluetooth is off, and buying a new keyboard just for this it last resort)

virus and false positive problems should be posted in viruses and worms forum section https://forum.avast.com/index.php?board=4.0
we have a trained and certified malware remover working there, and he dont need a vote poll to answer any questions you have, just write your problem/question in the post