
Windows Defender Not Working After Update: Checklist
After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...
Software troubleshooting desk

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...

When Windows Update fails with a 504 Gateway Timeout error, it usually means the update server is...

You're trying to connect to a remote PC via Remote Desktop (RDP) and you get a "timed out" error....

If you notice your system slowing down and Task Manager shows Microsoft Defender Antivirus Servic...

You're working in Microsoft Teams and suddenly see error 429: “You have been rate limited. Please...

You open Windows Security to run a scan or check protection status, and get a rate limit error. T...