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 SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix DNS Probe Finished NXDOMAIN Not Working on WiFi

If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...

Fix Windows Search Index Not Indexing New Files

If you've added new files to a folder but Windows Search can't find them, the search inde...

Fix 'Python' Command Not Found in Windows 10

When you type python in Command Prompt and see 'python' is not recogni...

Fix Git 'index.lock file exists' Error
If you see fatal: Unable to create 'path/.git/index.lock': File exists. when...

Fix Chrome Hardware Acceleration Black Screen in Windows 11
If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...


    Issue queue
Sitemap
How to Unstick Windows 11 Install at 99% in Safe Mode
Python Dependency Conflict Resolution Guide
How to Set Environment Variables in Docker Compose
Troubleshoot VS Code Terminal and Conda
Fix Git Push Rejected Non Fast Forward Branch Error
Chrome Status Access Violation Error Fix
Resolve Git Clone Timeout Behind Proxy
Docker Container Stops Right After Start Windows
Fix Missing Environment Variables in Docker Compose
How to Fix Chrome Status Access Violation Error
Git SSL Certificate Problem: Unable to Get Local Issuer Fix
Fix Docker Container Exits Immediately on Windows
Desk note

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