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 WiFi Connected But No Internet on Windows 11 Using Netsh

You connect to WiFi, see full bars, but websites won't load. This is common on Windows 11. Th...

Fix Windows Explorer Restarting with SFC Scannow

If Windows Explorer keeps restarting on its own—your taskbar disappears and reappears, or File Ex...

How to Set Node.js Max Heap Size Permanently

If your Node.js process crashes with memory errors like FATAL ERROR: CALL_AND_RETRY_LAST Al...

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

How to Fix 'Git Remote Origin Already Exists' Error
When working with Git, you may encounter the error fatal: remote origin already exists


    Issue queue
Sitemap
How to Configure Edge Sync: Complete Checklist
Fixing pnpm EINTEGRITY Integrity Check Failures
Chrome Too Slow? Disable Extensions to Save Memory
Fix Windows Search Indexing Not Working After Upgrade
Git Lock File Exists: Troubleshooting Guide
Node.js Heap Out of Memory Fix: --max-old-space-size Guide
How to Fix Node Sass Build Failure After npm Cache Clean
Fix Node Sass 'Missing Binding' Build Error
How to Fix npm install Permission Denied with nvm
VSCode Git Changes Not Detected Troubleshooting
Why VS Code Git Ignores New .gitignore Rules
Troubleshooting Windows Update Service Issues
Desk note

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