Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Reset Remote Desktop Connection Settings
If you are having trouble connecting to a remote PC—maybe you keep seeing authentication errors, ...
Fix VS Code IntelliSense Not Showing Suggestions
You're typing code in VS Code, expecting autocomplete suggestions, but nothing appears. This ...
How to Fix Windows Update Service Error 1053
You see error 1053 when the Windows Update service fails to start or respond in time. The full me...
How to Fix Git index.lock File Exists Error on Mac
If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...
Fix Git Clone Connection Timed Out Due to Firewall
You run git clone and after a long pause see connection timed out. This...
Issue queue
SitemapHow to Run VS Code Terminal as Administrator
Nginx Configuration Test Failed: Duplicate Listen Fix
Fix Docker Out of Disk Space on Windows 10/11
Breakpoint Not Hit in VSCode? Check Source Maps
Resolve npm Build Failure with Exit Code 1
Fix 'Windows Remote Desktop Cannot Connect to This Computer'
How to Fix UnicodeDecodeError 'charmap' in Python
How to Merge Unrelated Git Histories Safely
CMD Python venv Activation Troubleshooting
Troubleshoot Nginx SSL Redirect Loop
Troubleshoot Cloudflare 521 SSL Errors
Troubleshoot Edge Sync Failure After Update
Nginx Configuration Test Failed: Duplicate Listen Fix
Fix Docker Out of Disk Space on Windows 10/11
Breakpoint Not Hit in VSCode? Check Source Maps
Resolve npm Build Failure with Exit Code 1
Fix 'Windows Remote Desktop Cannot Connect to This Computer'
How to Fix UnicodeDecodeError 'charmap' in Python
How to Merge Unrelated Git Histories Safely
CMD Python venv Activation Troubleshooting
Troubleshoot Nginx SSL Redirect Loop
Troubleshoot Cloudflare 521 SSL Errors
Troubleshoot Edge Sync Failure After Update