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 Set Up Windows Search in a Ubuntu VM

If you run a Windows virtual machine inside Ubuntu (using VirtualBox, VMware, or KVM) and need Wi...

Chrome Browser Migration: Configuration Tips for a Smooth Move

Moving Chrome to a new computer or profile often results in lost bookmarks, missing passwords, or...

Fix Chrome Invalid Configuration Errors

You open Chrome and see a message about an invalid configuration, or extensions keep failing, or ...

MongoDB Authentication Failed: Administrator Checklist

Fix Windows Security Virus Protection Disabled Error

If Windows Security shows that virus & threat protection is disabled or turned off, you may see a...