
Fix Windows Update Authentication Failed Due to Group Policy
You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...
Software troubleshooting desk

You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...

You sign in to Windows, see the security settings sync message, and then get kicked back to the l...

If you see an error like "The port is already allocated" when trying to install or updat...

You set Command Prompt to launch automatically on Windows startup, but it doesn't appear. This gu...

You install a PowerShell module with Install-Module, but when you try to use its com...

When PowerShell starts acting up—strange errors, missing commands, or a broken profile—resetting ...