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

Fix Windows 11 Installation Assistant Stuck at 99% SFC Scan

You're upgrading to Windows 11 using the Installation Assistant, and it hangs at 99% while ru...

Cloudflare SSL Full Strict Setup Guide

If you enable Cloudflare's SSL/TLS encryption and set it to Full (Strict), y...

How to Fix Python Requests Connection Timeout Errors

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Fix DNS Probe Finished NXDOMAIN in Edge Browser

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

Nginx Redirect Loop: Common Causes and Fixes

You set up a redirect in nginx, but now your browser shows 'redirect loop' or 'too ma...