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

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix err_name_not_resolved Caused by Chrome Extensions

If you see err_name_not_resolved in Chrome, a misbehaving or conflicting extension c...

Fixing Cloudflare 521 Error After Server Restart

You restart your server, wait for it to come back up, then visit your site—only to see a Cloudfla...

Fix Docker Permission Denied Errors on Ubuntu

You start a Docker container with a mounted volume, and get a permission denied error when the co...

Reset Network Settings in Windows 11 When You Have No Internet

If you're reading this, you probably can't get online in Windows 11. The network icon in ...

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 ...