
How to Enable Windows Security Real-Time Protection
If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

When you run a script that uses multiple PowerShell modules, you might see errors like "Module 'X...

If you notice your system slowing down and Task Manager shows Windows Security (or Antimalware Se...

If you need to run Windows Defender scans or update definitions from the command line, you'll use...

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

You sign in to Windows but instead of the desktop, you get a command prompt window. Closing it lo...