
How to Reinstall the Windows Security Module
If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...

If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...

When you run a script or command in PowerShell and see an error like Import-Module : The sp...

You restart your computer after a Windows update, and instead of reaching the desktop, you see th...

When Windows Security (formerly Windows Defender) fails to start at boot, you may see an error li...

After a recent Windows update, you might see an error like "Authentication failed" when trying to...

After a recent Windows update, you might see an error 404 when opening Windows Security. The app ...