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Windows Defender 404 Not Found Registry Fix

You open Windows Security and see a blank page or a '404 Not Found' error. This often happens aft...

Fix Windows Defender Connection Refused Error 0x80070005

When you open Windows Defender (Microsoft Defender Antivirus) and see a connection refused error ...

Fix Windows Update Error 504 Gateway Timeout

You're trying to run Windows Update and get a '504 Gateway Timeout' error. This typically means t...

How to Fix Windows Defender Firewall Blocked App

You try to open an app, but it either won't start or can't connect to the internet. A common caus...

How to Fix Windows Security Log 'Permission Denied' Error

When you try to open the Windows Security Log in Event Viewer and get 'Permission Denied' or 'Acc...

Fix PowerShell 404 Error When Using Invoke-WebRequest