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Fix 'Windows Defender Not Recognized' Error in Command Prompt

How to Clear Windows Update Cache for Faster Installation

If Windows updates are taking forever to download or install, or if they keep getting stuck at a ...

Fix Windows Update 504 Gateway Timeout on Windows 10

If you see a 504 Gateway Timeout error when running Windows Update on Windows 10, it usually mean...

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

Fix Windows Update Module Not Found Configuration Error

You see an error that says something like "Windows Update module not found" or "Configuration fai...

How to Fix Windows Defender Not Turning On

Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...