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

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Windows Update Error 0x80070005 with a Clean Boot

If you see Windows Update error 0x80070005, it usually means a program or service is interfering ...

Fix VS Code Breakpoints Not Hitting in WSL

If you're debugging a project in WSL and VS Code breakpoints aren't being hit, you're...

Fix DNS Probe Finished NXDOMAIN in Edge Browser

When Microsoft Edge shows "DNS_PROBE_FINISHED_NXDOMAIN", it means the browser cannot reso...