
How to Fix Windows Security Update Failed Errors
You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...
Software troubleshooting desk

You click 'Check for updates' and after a long wait, you see 'Some updates were not installed' or...

You're running a Windows update and the progress bar shows BitLocker encryption stuck at 0%. This...

When you plug in a BitLocker-encrypted drive and try to unlock it, you might see a 'permission de...

When you try to open Windows Defender and see a message like "This app is blocked by group policy...

If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...

You open Chrome, and instead of your homepage or new tab, you see a blank white screen. The brows...