
Fix 'Windows Security App Not Installed' on Windows 10
You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...
Software troubleshooting desk

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

You're working remotely, copy text on your local machine, switch to the remote desktop session, a...

You try to connect to a remote Windows 10 machine but get an authentication error. The exact mess...

If Windows Defender (Microsoft Defender Antivirus) scans are taking unusually long—sometimes hour...

You may see a rate limit error in Windows Security when trying to update definitions, run a scan,...

When you see error 0x80070005 in the Microsoft Store, it usually means the Store doesn’t have the...