Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fixing Python UnicodeDecodeError When Reading CSV Files
You're trying to read a CSV file in Python and you get UnicodeDecodeError: 'utf-8&#...

How to Fix Nginx Configuration Test Failed Error
When you run nginx -t and see "test failed", it means nginx found a problem ...

Fix Windows 11 WiFi Connected but No Internet After Sleep
You wake your Windows 11 PC from sleep, the WiFi icon shows connected, but you can't load any...

Fix Bluetooth Device Not Detected on Windows 11
You try to pair a Bluetooth mouse, keyboard, or headphones, but Windows 11 doesn't see the de...

How to Fix a Detached HEAD with Git Reset --hard
You're working in Git, and suddenly you see a warning: You are in 'detached HEAD...


    Issue queue
Sitemap
How to Stop Extensions Causing err_name_not_resolved
How to Avoid Hanging Requests in Python
Chrome STATUS_ACCESS_VIOLATION Error: Causes and Solutions
VS Code PowerShell IntelliSense Not Working? Try These Fixes
Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
Node Version Downgrade Guide
How to Fix Windows Update Error 0x80070005 Permission Denied
Fix 'Permission Denied' in VS Code Terminal
npm ENOENT package.json Missing on macOS: Troubleshooting Guide
How to Fix Windows Update Service Not Running Due to Malwarebytes
Windows 11 Bluetooth Troubleshooting Guide
How to Handle CSV Encoding Errors in Python
Desk note

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