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

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...

How to Create a New Branch from a Detached HEAD in Git

If you see a message like "You are in 'detached HEAD' state" in Git, it means you...

How to Fix Windows Update Service Not Running

If Windows Update won't start or you see an error like "Windows Update cannot check for u...

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...

Fix Windows Update Error 0x80070002

Windows Update error 0x80070002 usually appears when the update process can't find a required...

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