
How to Reset Windows Defender Settings to Default
You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...
Software troubleshooting desk

You might need to reset Windows Defender (now Microsoft Defender Antivirus) to its default settin...

You open OneDrive and see “Sync service unavailable” or “We can’t sync your files.” This usually ...

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...

After a Windows update, you might open Outlook and see a “permission denied” error when trying to...