Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

How to Manually Remove a Stuck Git index.lock File

If Git operations suddenly fail with an error like fatal: Unable to create 'path/.git/i...

Docker Container Exits Immediately: 'Command Not Found' Fix
You start a Docker container and it exits immediately with a message like /bin/sh: 1: somec...

Fix Nginx Configuration Test Failed: Duplicate Listen Error
When running nginx -t to test your configuration, you may see an error like "...

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...

Fix VSCode IntelliSense Not Working for Node.js
You open a Node.js project in VSCode, start typing process., and get no suggestions....


    Issue queue
Sitemap
Windows 10 Security App Won't Open? Try These Fixes
Resolve Python Command Not Found Error in Windows
Resolve Git Permission Denied for Large File Push
Firefox SSL Error Only on WiFi: How to Fix
Fix Cloudflare SSL Certificate Mismatch on Origin
Resolving Git SSL Certificate Error with Proxy
How to Fix Python UnicodeDecodeError
How to Fix Nginx 502 Bad Gateway in Docker Compose
How to Fix Cloudflare 521 Error During Setup
VS Code Workspace Save Permission Error Fix
Fix Cloudflare Wildcard Subdomain Origin Server Errors
How to Fix Git SSL Certificate Error on Command Line
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities