Fix Windows Defender Real-Time Protection Not Starting
If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesGit Push Rejected Non Fast Forward: Troubleshooting Checklist
If you see ! [rejected] main -> main (non-fast-forward) when running
Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Windows 11 Installation Assistant Stuck at 99% After Restart
You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...
Docker Container Exits Immediately in Docker Compose
If your Docker container exits immediately after starting with docker compose up, it...
Resolving Python Dependency Conflicts from Transitive Dependencies
You're working on a Python project, and after adding a new package, the environment breaks. I...
Issue queue
SitemapFix DNS Probe Finished NXDOMAIN on Google DNS Setup
How to Fix Windows Update Service Not Running
Non Fast Forward Error Troubleshooting
Troubleshoot Edge Preparing Sync Error
Nginx Config Test Permission Denied Fix
How to Fix Cloudflare 521 Error Due to Proxy Issues
Step-by-Step Guide to Fix Git Remote Origin Already Exists
Resolve npm Build Failure with Exit Code 1
Bypass pip Externally Managed Environment on Linux
Fix Nginx Configuration Test Failure on Location Directive
Cannot Access Network Share in Windows 10/11
Fix Windows Update Service Not Running with Permission Denied
How to Fix Windows Update Service Not Running
Non Fast Forward Error Troubleshooting
Troubleshoot Edge Preparing Sync Error
Nginx Config Test Permission Denied Fix
How to Fix Cloudflare 521 Error Due to Proxy Issues
Step-by-Step Guide to Fix Git Remote Origin Already Exists
Resolve npm Build Failure with Exit Code 1
Bypass pip Externally Managed Environment on Linux
Fix Nginx Configuration Test Failure on Location Directive
Cannot Access Network Share in Windows 10/11
Fix Windows Update Service Not Running with Permission Denied