You’re going to need to give more information than this zero context screenshot. Is this a virus scanner? If so, which? Why are you scanning? What caused this series of events? What’s the full content of this popup?
Absolute worse case scenario: whatever you’re doing will not irreparably damage your PC. If you break windows or whatever you can just wipe your pc and reinstall windows via a usb stick. However, it’s not clear what’s going on here.