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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Stop Command Prompt High CPU Usage When Idle

You open Task Manager and see Command Prompt (cmd.exe) using 20-40% CPU, even though no windows a...

Fix Java JDK Not Recognized in Environment Variable Path

If you see 'java' is not recognized as an internal or external command after install...

Fix Azure CLI Token Expired in Windows Terminal

If you see an error like Azure CLI token is expired when running commands in Windows...

Task Scheduler 404 Not Found: Troubleshooting Checklist

When you open Task Scheduler and see a '404 Not Found' error for a specific task, it usually mean...

Task Scheduler Rate Limit Troubleshooting Checklist

When a scheduled task runs too frequently or fails to execute at the expected time, a rate limit ...