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

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Fix ERR_CONNECTION_RESET by Clearing Browser Cache

When you see the ERR_CONNECTION_RESET error in Chrome, it usually means the conn...

Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Fix Git Merge Conflicts with Deleted Files

You're in the middle of a merge and git stops with a conflict. One side deleted a file, the o...

Firefox Secure Connection Failed: Date and Time Fix

If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

Cloudflare DNS Propagation Time: What to Expect and How to Check

After changing DNS records on Cloudflare, you might wonder how long it takes for the changes to t...