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

How to Reduce Windows Security Memory Usage

Windows Security (formerly Windows Defender) can sometimes use more memory than expected, especia...

Fix Windows Update Error 0x80072efd: Connection Refused

When Windows Update fails with error 0x80072efd and a message that the connection was refused, it...

Fix Remote Desktop 502 Bad Gateway in Nginx

If you're seeing a 502 Bad Gateway error when trying to access Remote Desktop through an Nginx re...

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...

OneDrive Configuration Checklist for Windows

If OneDrive isn't syncing or behaves oddly on your Windows PC, the problem is often a misconfigur...

Fix GitHub Actions Docker Push Permission Denied