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

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

How to Fix Cloudflare 521 Error with Firewall Settings

If you see a 521 Web Server Is Down error when visiting your site through Cloudf...

Chrome Status Access Violation: Fixing Extension Conflicts

If you see a 'STATUS_ACCESS_VIOLATION' error in Chrome, often accompanied by a crash or a...

Fix Windows Update Error 0x80070002 Due to Network Issues

If you see Windows Update error 0x80070002, it often means the update files are missing or corrup...

Fix 'Git Remote Origin Already Exists' in VS Code