The other day, I get this pop up window wanting me to install some antivirus software. I try to close it and it keeps coming back. So I shut the computer off and leave it for the night. Try to get on it the next day and it won't completely boot. It took a few tries restarting to get it to boot. It runs for about 5 minutes and gives me a blue screen. For the life of me I can't remeber what it said.
Now I can't do anything. I can boot in safe mode, but can't really do anything within safe mode. I tried a system restore, but the comp wouldn't let me do it. I dl'd malwarebytes and alvira to my laptop, burned it to a disk and tried to install it in the desktop in safe mode(the only way I can get it to boot), but I kept getting errors.
I don't know what to do or where to start.