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...

Ubuntu Command Prompt Not Working: Step-by-Step Fixes

If your Ubuntu command prompt (terminal) is not responding, shows errors, or behaves unexpectedly...

How to Fix Microsoft Teams 502 Bad Gateway on Windows 11

You open Microsoft Teams on Windows 11 and see a "502 Bad Gateway" error. This usually means Team...

Reset Windows Update Components Using Command Prompt

If Windows Update is stuck, showing errors like 0x80070002 or 0x80073712, or simply won't install...

Java JDK Not Recognized After Installation: Fixes and Checks

Fix PowerShell 504 Gateway Timeout via Proxy Settings

When PowerShell commands return a 504 Gateway Timeout, it often means the proxy ...