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 Cloudflare DNS Not Resolving on Mac

If you've set Cloudflare DNS (1.1.1.1) on your Mac but websites still fail to load or resolve slo...

How to Fix an Outlook File Locked Due to Sync Issue

You try to open Outlook and see a message that your data file (.pst or .ost) is locked. Often thi...

Reduce OneDrive High Memory Usage: Configuration Settings

If OneDrive is using more memory than expected—say over 500 MB on a system with 8 GB RAM—it can s...

Chrome Profile Download Not Working on Mac: Fixes

If you're trying to download or sync a Chrome profile on your Mac and it's not working, you might...

Docker Compose Port Conflict Troubleshooting Guide