
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Software troubleshooting desk

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

If Windows Security isn't running or you see a message like "Your IT administrator has limited ac...

When using command prompt tools like ping, telnet, or mstsc

After a Chrome update, you might see a message like "Your profile cannot be loaded correctly" or ...

If you're running a local development server or an internal application with a self-signed or pri...

You try to download an app from the Microsoft Store, but instead of progress, you see a message a...