
Fix Windows Defender Security Center Not Opening
When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...
Software troubleshooting desk

When you click the Windows Defender Security Center icon or try to open it from Settings, nothing...

You open Indexing Options, see "Indexing complete" at 99%, and it never finishes. This is a known...

If your scheduled tasks aren't syncing with your Microsoft account, you might see errors like

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

You open Event Viewer and see Event ID 101 under TaskScheduler with a message about an invalid co...

If you've tried clearing the Microsoft Store cache using the built-in method (wsreset.exe) and no...