
How to Fix Windows Defender Not Starting Automatically
If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...

If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...

If your PC feels sluggish and Task Manager shows SearchIndexer.exe using high CP...

When you try to open Command Prompt on Windows 11 and see 'Service unavailable' or a blank window...

You open Microsoft Store and see a message about invalid configuration, or your apps won't sync. ...

You try to install or update an app from the Microsoft Store, and Windows Security throws error 0...

You’re trying to install a Windows update manually—maybe a cumulative update or a .cab file—and y...