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 Even After Deleting: Fixes

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

Fix Windows Defender Real-Time Protection Configuration Error

You open Windows Security and see a message that real-time protection is turned off or has a conf...

Fix Windows 11 Installation Assistant Stuck at 99%

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Fix Nginx Upstream Connection Refused Socket Error

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

npm package.json Not Found After npm init
You run npm init, answer the prompts, and then try to install a package or run a scr...

Cloudflare Wildcard Subdomain CNAME Setup Guide
If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...


    Issue queue
Sitemap
Docker Pull Access Denied: Quick Fix Checklist
Resolve EACCES error with pnpm global install on Linux
Git Non Fast Forward Push Error Fix
How to Make Docker Desktop Launch on Boot in Windows 11
Resolve npm run build TypeScript Errors
Avoiding MemoryError When Processing Big Files in Python
Python Memory Error Fix: Chunking Large Files Correctly
Python Virtual Environment Permission Denied Error Fix
Fix Python Memory Error When Loading Large JSON Files
Docker Swarm Network Not Found Error Fix
Fix VSCode Breakpoints Not Hit in launch.json
Resolving Git SSL Certificate Error with Proxy
Desk note

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