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 Configuration Test Failure on Location Directive

When you run nginx -t and see an error like [emerg] invalid location directive...

Nginx Upstream Connection Refused: Diagnosis and Fixes
When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

DNS Probe Finished NXDOMAIN: Internet Connection but No Browsing Fix
You see the error 'DNS probe finished NXDOMAIN' on Chrome or other browsers, yet your int...

Chrome Extensions Not Loading: Quick Fixes
You open Chrome, click the extensions icon, and nothing appears—or your extensions are grayed out...

Docker Build Context Canceled on WSL2: Causes and Fixes
If you're using Docker Desktop with WSL2 backend and your build context gets canceled mid-bui...


    Issue queue
Sitemap
Troubleshooting Nginx 502 Upstream Connection Refused
Error 0x80070080002 Windows Update: Step-by-Step Fix
Windows Search Indexing Troubleshooting Checklist
Command Prompt Troubleshooting for WiFi No Internet Windows 11
How to Rebuild Taskbar Icon Cache in Windows 10
npm Run Build Failed: Common Fixes
Nginx 403 Forbidden Static Files Fix
Chrome Not Launching After Update: Fix
How to Fix Git Clone Timeout with SSH Key
Python UnicodeDecodeError: Using ignore to Skip Bad Bytes
Resolve Git Push Rejected Due to Large File
Edge Browser DNS Probe Finished NXDOMAIN – Quick Fixes
Desk note

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