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

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

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 Windows Security High Memory Usage

If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...

How to Fix Chrome Profile Error on Mac

You open Google Chrome on your Mac only to see a message saying something like “Your profile coul...

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 ...

Docker Container Restarting Due to Health Check: Causes and Fixes