Windows Security App Not Opening on Windows 10: Fixes That Work
When you click the Windows Security icon in the Start menu or taskbar and nothing happens, it’s u...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Git SSL Certificate Problem on Corporate Networks
If you see git SSL certificate problem: unable to get local issuer certificate while...
How to Fix Missing Taskbar Icons in the System Tray
When you notice icons missing from the system tray (the area near the clock on the taskbar), it&#...
Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues
You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...
How to Fix Nginx Redirect Loop from HTTP to HTTPS
If you're seeing an infinite redirect loop when trying to force HTTPS in nginx, the browser u...
How to Fix Cloudflare 521 Error with Wildcard Subdomains
If you're seeing a Cloudflare 521 error on a wildcard subdomain (e.g., *.example.com), the or...
Issue queue
SitemapHow to Fix Docker NGINX 502 Bad Gateway
Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes
Troubleshooting Missing C++ IntelliSense in VS Code
Docker Network Missing Error Fix Guide
Cloudflare 522 Error: Origin Server Timeout Fix
Troubleshooting Cloudflare DNS Propagation Delays
Python venv Troubleshooting Guide
How to Fix Docker Volume Permission Denied Error
Chrome Proxy Error ERR_CONNECTION_RESET Guide
Docker Compose Port Already Allocated: How to Fix
Fix DNS Probe Finished NXDOMAIN After Changing DNS
How to Fix Git Rejected Non Fast Forward
Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes
Troubleshooting Missing C++ IntelliSense in VS Code
Docker Network Missing Error Fix Guide
Cloudflare 522 Error: Origin Server Timeout Fix
Troubleshooting Cloudflare DNS Propagation Delays
Python venv Troubleshooting Guide
How to Fix Docker Volume Permission Denied Error
Chrome Proxy Error ERR_CONNECTION_RESET Guide
Docker Compose Port Already Allocated: How to Fix
Fix DNS Probe Finished NXDOMAIN After Changing DNS
How to Fix Git Rejected Non Fast Forward