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

Windows Explorer Keeps Restarting in Windows 11: Fixes

If Windows Explorer keeps restarting on your Windows 11 PC, you'll see the taskbar and deskto...

Cloudflare Error 521: Web Server Down Checklist

Cloudflare error 521 means your origin web server refused the connection. This is not a Cloudflar...

How to Update Git Remote Origin URL

When a repository's remote URL changes—for example, after migrating to a new Git server or sw...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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

Windows Security App Not Working After Reset? Try These Fixes

If you recently reset your Windows PC and now the Windows Security app won't open, shows a bl...

Fix Nginx 502 Bad Gateway Docker Permission Denied

When running Nginx as a reverse proxy in a Docker environment, a 502 Bad Gateway error often poin...