Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git 'index.lock' File Exists Error in IntelliJ

If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

How to Fix Git index.lock File Exists Error on Mac
If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...

Manually Download and Fix Windows Update Error 0x80070002
You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

How to Fix Nginx 'Upstream Connection Refused' Error
When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer
When Git reports SSL certificate problem: unable to get local issuer certificate, it...

Fix Docker Container Exits Immediately After Start
You run docker run myimage and the container stops almost instantly. This is a commo...


    Issue queue
Sitemap
Resolve Docker Compose Nginx Port Conflict
Troubleshooting Edge Tab Sync Issues
Remote Desktop Denied by Group Policy: Fixes
Windows 11 Installation Assistant Stuck During Update
How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome
Docker Nginx 502: How to Diagnose and Fix Memory Limit Issues
Chrome ERR_NAME_NOT_RESOLVED: How to Use ipconfig /flushdns
Clear pnpm Cache: Fix Errors and Free Space
Docker Build Canceled: Troubleshooting Checklist
ERR_CONNECTION_RESET Troubleshooting Guide
Chrome Access Violation: Extension Conflict Guide
Windows 11 Bluetooth Not Detecting Devices: How to Fix
Desk note

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