Knowledge base for software setup, errors, and daily tool work.

Fix Windows Security Module Service Not Running

You open Windows Security and see a message that the service isn't running. The shield icon in th...

Fix Windows Search Authentication Failed Configuration Error

You may see a notification that Windows Search indexing couldn't start due to an authentication f...

Fix Windows Activation Connection Refused After Update

After a Windows update, you might see an error that activation servers can't be reached—often phr...

Fix 'Microsoft Teams Proxy Authentication Required' Error

You open Microsoft Teams and instead of your chat list, you see a message: "Proxy authentication ...

Remote Desktop Auto Start Troubleshooting Checklist

If your remote desktop client does not start automatically when you boot your computer or connect...

Fix Windows Defender Module Not Found Error 0x80070643