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

Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

How to Fix Outlook 504 Gateway Timeout Configuration Errors

If you see a 504 Gateway Timeout error in Outlook (often when connecting to Exchange Online or a ...

Fix 'wsreset' Command Not Found in Microsoft Store

When you run the wsreset command in Command Prompt to reset the Microsoft Store cach...

How to Fix PowerShell Version Mismatch Error

Fix Windows Terminal Rate Limit Error Not Working

You open Windows Terminal and see a rate limit error, or the terminal stops responding after a fe...

How to Repair an Outlook Data File (.pst/.ost)

If Outlook suddenly won't open, shows error messages about a data file, or you can't see certain ...