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How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

Fix BitLocker Service Unavailable via Command Line

You see "BitLocker service unavailable" when trying to manage encryption. This usually means the ...

Windows Defender Authentication Failed: Step-by-Step Checklist

You open Windows Security and see 'Authentication failed' when trying to use Windows Defender. Th...

How to Fix SSL Protocol Error in Chrome on Android

If you see ERR_SSL_PROTOCOL_ERROR in Chrome on your Android phone, the browser c...

Fix Windows Update Authentication Failed / Permission Denied

When Windows Update fails with an "authentication failed" or "permission denied" message, it usua...

How to Fix PowerShell Unable to Connect to Proxy Server

When PowerShell fails to connect to a proxy server, you might see errors like Unable to con...


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