
Fix 'Windows Security App Not Installed' on Windows 10
You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...
Software troubleshooting desk

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

If you see a "rate limit" error in Task Scheduler, it usually means a task is trying to run too o...

You click "Check for updates" and see error 0x80072F0D or a message like "A certificate chain pro...

You see an error saying the Windows activation file is locked, or activation fails with a file ac...

After a Windows update, the Windows Security app may fail to open, show a blank screen, or displa...

Task Scheduler may stop running scheduled tasks or show outdated statuses when its cache becomes ...