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

Fix Windows Security Connection Refused Due to Antivirus Blocking

You try to open Windows Security or run a scan, and get a 'connection refused' error. Often this ...

How to Set Up Windows Defender for Low Memory Usage

If your system feels sluggish or you see high memory usage from Antimalware Service Executable (M...

Troubleshoot 502 Bad Gateway with Curl Commands

A 502 Bad Gateway error means your server (gateway) got an invalid response from an upstream serv...

Fix PowerShell Remote Connection Refused Error

Fix OneDrive Sync Network Error After Windows Update

After a Windows update, you might see a network error in OneDrive that stops syncing. This usuall...

Fix 'ffmpeg: command not found' on Linux

You try to run ffmpeg in the terminal and get ffmpeg: command not found...