Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Git SSL Certificate Error: Unable to Get Local Issuer

If you see the error fatal: unable to access 'https://...': SSL certificate problem...

VS Code Git Changes Not Detected After Clone: Fixes
You clone a repository, open it in VS Code, but the Source Control panel shows no changes—even th...

How to Fix Git Push Rejected Non-Fast-Forward Error
When you run git push and see “rejected – non-fast-forward”, it means your local bra...

Fix Explorer.exe Keeps Restarting in Windows 10
If your File Explorer (explorer.exe) keeps restarting on Windows 10, you'll see the taskbar a...

How to Create a package.json for Your npm Project
If you're starting a Node.js project, you'll need a package.json file. This ...


    Issue queue
Sitemap
How to Handle Merge Conflicts in Visual Studio Code
Windows Update 0x80070002: Manual Download Guide
Chrome Hardware Acceleration Crash Troubleshooting
Fix npm ENOWENT Package.json Not Found on Mac
Troubleshoot 'Access Denied' for Network Shares in Windows
Docker Image Pull Permission Error Guide
Troubleshoot Windows 10 Shared Folder Permission Errors
Chrome DNS Error Troubleshooting Guide
Python pip Error Code 1: Dependency Conflict Guide
Windows 11 Assistant Stuck at 99 SFC Scan Fix
Fix 'Windows Cannot Access Shared Folder' Samba Error
Fix 'No Space Left on Device' in Docker Containers
Desk note

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