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

Chrome Profile DNS Error: Troubleshooting Checklist

You open Chrome and see a message like "DNS error" or "ERR_NAME_NOT_RESOLVED" tied to your profil...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Windows Activation Authentication Failed via Command Prompt

If you see 'Windows activation authentication failed' when trying to activate Windows, the issue ...

How to Repair a Corrupted Windows Security Log

If you see errors like "The security log is corrupted" or Event ID 1104 in the System log, Window...

Fixing AWS CLI Command Prompt Token Expired Errors

If you see 'Token expired' or 'The security token included in the request is expired' when runnin...

How to Fix Microsoft Teams Service Unavailable on Windows 10

Users running Microsoft Teams on Windows 10 sometimes see the error 'Service Unavailable' when tr...