
How to Fix Windows Defender Not Working
If Windows Defender won't open, stops responding, or fails to update, you're not alone. This guid...
Software troubleshooting desk

If Windows Defender won't open, stops responding, or fails to update, you're not alone. This guid...

If your system is sluggish and Task Manager shows high CPU usage from BitLocker or its helper pro...

If you see a connection refused error when opening Windows Security (Windows Def...

You wake your PC from sleep, type in the Start menu search bar, and nothing happens—or results ar...

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

You try to activate Windows and get error 0x80070002. The message often says something like “depe...