
Fix Windows Defender High Memory Usage in Windows 11
You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...

You open Task Manager and see Windows Defender (Microsoft Defender Antivirus) using 500 MB or mor...

If you see a yellow warning in Windows Security that says "Threat service has stopped" or "Restar...

Windows Defender (now Microsoft Defender Antivirus) stores temporary files and definitions in a c...

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

You open Outlook and see "Working Offline" in the status bar, even though your internet is fine. ...

If OneDrive sync stops working or shows errors like “This version of OneDrive is no longer suppor...