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

Fix Chrome Profile Download Permission Denied on Mac

You try to download a file in Chrome on your Mac, but you see an error: 'Download permission deni...

Fix npm ERESOLVE EPERM Permission Denied Error

You run npm install and get an ERESOLVE EPERM error. The message sa...

Windows Security Migration Rollback Procedure

After migrating security settings (e.g., Windows Defender policies, BitLocker configurations, or ...

Ubuntu Command Prompt Configuration Checklist

If your Ubuntu terminal prompt looks confusing, lacks useful info, or just feels cluttered, you'r...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...