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Fix Windows Update Connection Refused When Using VPN

If you see a "connection refused" error when running Windows Update while connected to a VPN, it'...

Fix Windows Defender Authentication Failed Group Policy Error

You may see an error saying "Windows Defender authentication failed" after applying a Group Polic...

Fix Windows Search Indexing Permission Denied Errors

If you see a 'permission denied' message in Windows Search indexing, the search indexer can't rea...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Activate Windows Without Product Key Using CMD

If you've installed Windows and don't have a product key handy, you can still activate it tempora...

How to Fix Chrome 404 Not Found Error on Android

You tap a link in Chrome on your Android phone and get a blank page with '404 Not Found.' It's fr...