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 Slow Remote Desktop Connection in Windows 10

You connect to a remote Windows 10 machine and the screen lags, typing is delayed, or file transf...

Fix Windows Security Virus Protection Disabled Error

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

Windows Activation Cache Clear Still Failing? Try These Fixes

You've tried clearing the Windows activation cache using slmgr /rearm or deleting th...

How to Fix Microsoft Teams 404 Not Found Permissions Error