Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Git index.lock File Exists: Quick Fix Checklist

You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes
When you change a DNS record in Cloudflare, the update doesn't take effect instantly everywhe...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...

How to Fix Bluetooth Device Pairing Issues in Windows 11
If your Bluetooth device won't pair with Windows 11, the problem often comes down to drivers,...

VS Code Git Not Detecting Changes: Step-by-Step Fix
You've edited files in VS Code, but the Source Control panel shows no changes. The git icon m...

Fix 'python command not found' After Windows Upgrade
After upgrading Windows 10 to 11 (or a major feature update), many users find that typing p...


    Issue queue
Sitemap
pip Externally Managed Environment Fix Guide
Fix Windows Update Service Not Running via Registry
Chrome Black Screen on Intel Graphics? Fix It
How to Fix Git Non-Fast-Forward Rejection
Resolve DNS Probe Finished NXDOMAIN Post-Update
How to Fix ERR_CONNECTION_RESET on Chrome Mobile
VS Code Not Showing Git Changes: Fix Guide
Windows 11 Bluetooth Reset Guide
Node Version Mismatch with package.json: Quick Fix Guide
Fix Windows Update Error 0x80070002 on Windows 11
Chrome Black Screen After Update: Hardware Acceleration Fix
Setup.py Dependency Conflict Troubleshooting
Desk note

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