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

Windows Defender Real-Time Protection Keeps Turning Off: Fixes

You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...

Win 11 WiFi Connected But No Internet: IPConfig Release/Renew Fix

You're connected to WiFi, the icon shows full bars, but websites won't load. This usually...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

When you run git clone, git pull, or git fetch over HTTPS,...

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories

You try to merge two branches and get fatal: refusing to merge unrelated histories. ...

Fix 'Git Remote Origin Already Exists' When Updating Remote URL