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

Fix "7zip Cannot Open File as Archive" Permission Denied Error

You try to open an archive with 7-Zip and get: "Cannot open file as archive" fol...

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 Windows Update Authentication Failed / Permission Denied

When Windows Update fails with an "authentication failed" or "permission denied" message, it usua...

Windows Update 504 Gateway Timeout: Advanced Troubleshooting Checklist

If you're seeing a 504 Gateway Timeout error when running Windows Update, it usually means the up...

PowerShell Execution Policy Change Not Working – Fixes

You've run Set-ExecutionPolicy RemoteSigned (or another policy) but PowerShell still...

How to Fix npm ERR! code ERESOLVE in React Projects