
Fix Windows Defender Real-Time Protection Authentication Failed
When you try to turn on Windows Defender real-time protection, you might see an error saying some...
Software troubleshooting desk

When you try to turn on Windows Defender real-time protection, you might see an error saying some...

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

You try to activate Windows, but instead get an error message saying the activation configuration...

If Command Prompt keeps crashing immediately after opening or during use, you're not alone. This ...

You click the Microsoft Store icon in the Start Menu, but nothing happens—no window, no error. Th...

You set Windows Terminal to start automatically when you log in, but it doesn't appear. The icon ...