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

Why Docker Container Exits with Code 1: A Checklist

You start a Docker container, it runs for a second, then stops with exit code 1. This is a common...

Fix Windows Terminal Alternatives Not Working on Mac

You installed a terminal emulator designed for Windows—like Windows Terminal, Cmder, or ConEmu—on...

Fix Windows Activation Error 0xc004c003 Without Internet

You see error 0xc004c003 when trying to activate Windows, and your device either has no internet ...

Fix Outlook 502 Bad Gateway Error in Office 365

If you're seeing a '502 Bad Gateway' error when trying to use Outlook with Office 365, it usually...

Fix Windows Defender Service Authentication Failed Error

You might see the error 'Windows Defender service authentication failed' when trying to open Wind...

Docker Container Restarting Due to Health Check: Causes and Fixes