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

Fix Windows 11 WiFi Connected but No Internet After Sleep

You wake your Windows 11 PC from sleep, the WiFi icon shows connected, but you can't load any...

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

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 DNS Probe Finished NXDOMAIN Error in Windows 10

When you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome or other browsers, it means the DNS ...

Fix Cloudflare Wildcard Subdomain Redirect Loop