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

Fix Chrome Black Screen with Hardware Acceleration and Zoom

If you're seeing a black screen in Chrome after zooming in or out, especially with hardware a...

Git Merge Conflict: How to See the Diff Between Versions

When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Setting Up Cloudflare Wildcard Subdomains for Multiple Sites

If you manage multiple sites or services on different subdomains (like app.example.com, blog.exam...

Fix Windows Cannot Access Shared Folder Error 0x80070035

When you try to access a shared folder on another computer and see "Windows cannot access \\c...

DNS Probe Finished NXDOMAIN: Meaning and Fixes

You're trying to visit a website but Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". This...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist