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

Fix Windows Certificate Error 0x800b0109

When you see error code 0x800b0109 in Windows, it means the operating system cannot verify a digi...

Fix Remote Desktop 502 Bad Gateway & Gateway Timeout

If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

Checklist for Troubleshooting Chrome 504 Error

You're browsing in Chrome and suddenly see 504 Gateway Timeout. The page won't l...

Fix Port Already Allocated Error for Windows Update on Windows 10

You try to run Windows Update but get an error message like 'port already allocated'. This usuall...

Fix Git Clone Permission Denied (Publickey) but SSH Works

You try to git clone a repository and get a "Permission denied (publickey)" error, y...