
Windows Security Troubleshooting Guide
Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...
Software troubleshooting desk

Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...

You see error 0x80070643 when trying to install a Windows update, and the setup fails partway thr...

If you're trying to open the Microsoft Store on your Mac and nothing happens—or you see a blank p...

When you see event ID 4625 in the Windows Security log, it means an account failed to log on. Thi...

You install a game from the Microsoft Store, click Launch, and nothing happens—or you get a vague...

When Windows Defender locks a file, you often see errors like 'Access denied', 'File in use', or ...