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)...

Fix Windows Activation Error 0xc004f074 KMS

If you see error 0xc004f074 when trying to activate Windows, it usually means the Key Management ...

Fix Microsoft Teams Blank Screen: Web vs Desktop

When Microsoft Teams shows a blank screen—white or grey—after login, the problem usually lies in ...

How to Repair Windows Search Using the Built-in Troubleshooter

Windows Search not returning results or indexing slowly? The built-in Search and Indexing trouble...

Fix WSL Ubuntu Internet Not Working After Windows Restart