Windows 8.x has a refresh system that might help. While it shouldn't affect your files, be sure you have your backups ready and fresh before you try it. This should not wipe the PC but refresh the OS.
Here's an article on this feature: https://www.google.com/#q=refresh+windows+8
I'd try that first. NO INSTALLER DISK REQUIRED.
Hey guys I'm new on this forum, I hope you can help me. So, I recently downloaded an uninstaller, of which I forgot the name, and it apparently installed a virus with it. I removed the virus, killed the files in program files directory, and then I did a full scan with windows defender. I restarted after, and it auto installed some windows updates. When the pc was back on, the virus was not gone yet, so I downloaded Malwarebytes Anti-Virus. After a scan it found some stuff that I removed, then I restarted again and all of the letter changed into symbols. Now, I heard that if you uodate, and scan after, you get these font issues. I don't know if this is true in my case. In my login screen I see allbof those symbols and I try to log in, it spins for ages and ages, and then it stops, so I can't log in. I do have an installer disk of windows, but my parents are divorced and I can only get it in three days. I am able to get into the bios, maybe that helps.
Btw, I run windows 8. I hope I can get a fast and easy answer, because it's pretty frustrating.
Don't mind my afwul spelling, I'm from the Netherlands.