
Microsoft Store Authentication Failed After Update: Fixes
After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...
Software troubleshooting desk

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

If you need to run Windows Security (formerly Windows Defender) on a Mac, you're likely trying to...

If you're seeing slow downloads, failed updates, or apps that won't install, the Microsoft Store'...

If you see "TLS Error: TLS handshake failed" in your OpenVPN client log, the connection cannot es...

If you uninstalled and reinstalled the Microsoft Store and now see a port error (e.g., 'Port alre...

If you see a "404 Not Found" error when running Windows Update on Windows 11, it usually means th...