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

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails

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

Git index.lock File Exists Even After Deleting: Fixes

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

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

How to Give VS Code Permission to Save Files

If VS Code shows a permission error when you try to save a file, the problem is usually that the ...

Docker: No Space Left on Device After Pulling Image

You pull a Docker image and get no space left on device. The image might be small, b...

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

If you see fatal: unable to access 'https://github.com/...': SSL certificate proble...