Do you know what the lock thing means?
Never seen such a thing. What antivirus program are you running?
None actully. I just do some windows defender scans once in a while.
Download and install free Microsoft Security Essentials:
...and this free temp file cleaner:
Run them both
If you are wondering why there is a lock next to your folders win 7 does this . When I file is mark private. Here is a website. That will explain this for you.http://www.winhelponline.com/blog/lock-padlock-icon-files-folders-windows-7/
I should've though this happend. My computer BSOD'D while installing it and I can't open it.
Your computer may be infected with malware, especially if you have been online for a while without any antivirus software active
Should I just wipe and install?
If you can... don't forget to do all the updates and the antivirus and temp file cleaner installs