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

Maven dependency resolution failed after adding new dependency

You added a new dependency to your pom.xml, and now Maven fails with a resolution er...

How to Fix a systemd Service Configuration Syntax Error

You've edited a systemd service file, run systemctl start myservice, and got a messa...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

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 Update Auto Start Service Not Found' Error

You may see a message that the Windows Update auto-start service is not found, often when trying ...