
Reset Windows Defender Service to Default Settings
If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...

If Windows Defender isn't starting, showing errors, or acting strangely, the service settings may...

If your PC fan is spinning up and Task Manager shows Windows Search (SearchIndexer.exe) using 30-...

If you've set Command Prompt to start automatically on login—via the Startup folder, Registry, or...

When you run BitLocker commands like manage-bde or repair-bde from an e...

If Windows Security (formerly Windows Defender) feels sluggish or unresponsive after a recent upd...

You see the message 'Windows Update configuration failed. Reverting changes.' after a restart. Th...