
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 ...

When you try to encrypt an external USB drive with BitLocker and get a 'permission denied' error,...

You open Microsoft Store and see a message about invalid configuration, or your apps won't sync. ...

You open the Microsoft Store and see an error like “module not found” or a specific error code su...

When you try to open the Microsoft Store and see error code 0x80073cf0, the app either fails to s...

When BitLocker fails to connect to an Active Directory domain, you typically see an error during ...