How to Fix Windows Defender Not Opening
If Windows Defender won’t open—whether it crashes, shows a blank window, or does nothing when you...
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Browse labHow to Fix Windows Defender Not Starting Automatically
If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...
Fix Windows Security 404 Error Not Loading
You open Windows Security and see a 404 error or the page fails to load. This usually points to a...
Microsoft Store Proxy Error: Step-by-Step Checklist
If you see a proxy error in Microsoft Store, the app can't connect to the internet. This usually ...
Fix Windows Terminal Config File Not Saving
You edit your Windows Terminal settings, click Save, and the changes vanish. Or you restart the a...
Fix Windows Defender Failed to Start: Registry Repair Steps
When you see “Windows Defender failed to start” or “Windows Defender service terminated unexpecte...