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

Fix Slow Command Execution in Command Prompt

If you notice that commands in Command Prompt (cmd.exe) take several seconds to execute, even sim...

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

Fix PowerShell Get-ChildItem Access Denied Error

When you run Get-ChildItem in PowerShell and hit an access denied error, it usually ...

Fix Task Scheduler 'File Locked' Errors When Tasks Don't Run

You set up a scheduled task in Windows Task Scheduler, but it never runs. When you check the hist...

Windows Update High CPU Usage Troubleshooting Checklist