Fix Windows 11 Installation Assistant Stuck at 99% with Clean Boot
You're upgrading to Windows 11, and the Installation Assistant gets stuck at 99% for a long t...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Nginx 502 Bad Gateway in Docker Compose
If you're running an application with Docker Compose and Nginx as a reverse proxy, a 502 Bad ...
Fix Windows 11 WiFi No Internet Due to Proxy Settings
If your Windows 11 laptop shows full WiFi bars but browsers say “No internet,” a common culprit i...
Fix Cloudflare Wildcard Subdomain Not Resolving
You set up a wildcard DNS record in Cloudflare (e.g., *.example.com) expecting all s...
Handling Python Requests Timeout on Slow Networks
When your Python script using the requests library hangs or throws a timeout excepti...
How to Fix Nginx Upstream Connection Refused Error
If you're seeing upstream connection refused in your Nginx error logs, it usuall...
Issue queue
SitemapFirefox Secure Connection Failed Due to Proxy – Fix Guide
Git SSL Problem: Unable to Get Local Issuer Certificate
How to Fix Nginx Upstream Connection Refused Error
DNS_PROBE_FINISHED_NXDOMAIN: Step-by-Step Checklist
Fixing Docker Pull Access Denied Error 403
Windows 11 Blue Screen After Cumulative Update: Fixes That Work
Fix Python Permission Denied When Installing Packages on Windows
Windows 11 Update Stuck at 0% in Safe Mode Fix
How to Fix Git Refusing to Merge Unrelated Histories
Docker Access Denied to Repository: Troubleshooting Guide
Fix Nginx Redirect Loop After SSL Setup
Resolve Git Authentication Errors in Visual Studio Code
Git SSL Problem: Unable to Get Local Issuer Certificate
How to Fix Nginx Upstream Connection Refused Error
DNS_PROBE_FINISHED_NXDOMAIN: Step-by-Step Checklist
Fixing Docker Pull Access Denied Error 403
Windows 11 Blue Screen After Cumulative Update: Fixes That Work
Fix Python Permission Denied When Installing Packages on Windows
Windows 11 Update Stuck at 0% in Safe Mode Fix
How to Fix Git Refusing to Merge Unrelated Histories
Docker Access Denied to Repository: Troubleshooting Guide
Fix Nginx Redirect Loop After SSL Setup
Resolve Git Authentication Errors in Visual Studio Code