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

Fix Task Scheduler Connection Refused for Service Account

When a scheduled task runs under a service account and fails with a 'connection refused' error, i...

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...

Windows Update Disk Cleanup After Update: Free Up Space

After a major Windows update, you might notice your system drive has less free space than before....

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 'Outlook Command Not Found' Error on Mac

If you're seeing outlook command not found in your Mac terminal, you're likely tryin...

Fix nvm not working in CMD or PowerShell on Windows