
Windows Defender Not Opening? Here's How to Fix It
You click the Windows Defender icon, but nothing happens—or you get an error saying the app didn'...

You click the Windows Defender icon, but nothing happens—or you get an error saying the app didn'...

You start downloading an app from the Windows Store, but the progress bar stays at 0% or a small ...

You try to edit, move, or delete a file and Windows says it's open in Windows Defender. This can ...

When you see error 0x80041321 with the message 'Task key not found' in Task Scheduler, it usually...

You plug an external drive into a different computer and see a BitLocker version mismatch error. ...

If you notice your PC slowing down and Task Manager shows the Microsoft Store using hundreds of m...