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

Fix Windows Update 504 Gateway Timeout Error

Seeing a 504 Gateway Timeout error when running Windows Update can be frustrating. This usually m...

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...

Fix Windows Defender 404 Not Found Error on Windows 10

You click to open Windows Defender Security Center and see a 404 page, or the Settings app shows ...

Fix Remote Desktop 504 Error on Azure VM