
How to Reinstall the Windows Security Module
If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...
Software troubleshooting desk

If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...

After updating Jupyter or its dependencies, you might see the kernel die immediately or hang with...

When PowerShell fails to connect to a proxy server, you might see errors like Unable to con...

If Windows Defender (Microsoft Defender Antivirus) is acting up—stuck on an old update, using hig...

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

You sign in to Windows, the desktop appears for a moment, and then you're back at the sign-in scr...