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'...

How to Fix Git 'index.lock' File Exists Error
When you see fatal: Unable to create 'path/.git/index.lock': File exists., G...

Fixing Nginx Upstream Connection Refused in Load Balancing
When Nginx load balancing returns upstream connection refused, it means one or more ...

Fix Windows 11 Wi-Fi No Internet by Disabling IPv6
If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...

How to Fix Node.js Heap Out of Memory in VS Code
If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...

How to Run VS Code Terminal as Administrator
When working with system files, services, or certain development tools, you may need to run the V...


    Issue queue
Sitemap
Fix Windows Update Error 0x80070002 Due to Network Issues
Handling Missing Peer Dependencies in pnpm Install
How to Fix Git Push Rejected (Non Fast-Forward Error)
DNS Probe Finished NXDOMAIN: Troubleshooting Checklist
Fix DNS Probe Finished NXDOMAIN After Changing DNS
How to Resolve Git Remote Origin Already Exists
How to Resolve Cloudflare Wildcard Permissions Denied
Docker WordPress Permission Denied Fix
Docker Nginx Volume Permission Denied Fix
How to Validate Nginx Configuration Before Reload
Windows Update Service Won't Stop – How to Fix
VSCode Terminal Not Opening on Ubuntu: Fixes That Work
Desk note

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