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

Windows Defender Missing from Settings After Update: Fix

After a Windows update, you might open Settings and find that Windows Defender (now called Micros...

Fix Chrome Profile Offline Installer Missing DLL Files

You downloaded the Chrome offline installer, but when you run it, you get an error about missing ...

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 OneDrive Sync Not Connecting on Windows 10

OneDrive sync not connecting on Windows 10 usually means the app can't reach Microsoft servers or...

Fix Microsoft Teams Error Code cxa20002

Error code cxa20002 in Microsoft Teams usually appears when you try to sign in or launch the app....

Fixing GitHub Actions Permission Denied for Git Commands