Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Fix Docker 'No Space Left on Device' in Container

If you're seeing no space left on device errors inside a Docker container, the c...

ERR_NAME_NOT_RESOLVED on Chrome Linux: Fix Guide

You're browsing on Chrome in Linux and suddenly a page won't load, showing ERR_NA...

VSCode Terminal Not Opening After Extension Install: Fix
You install a new extension in Visual Studio Code, restart or reload, and then the terminal panel...

Fix Git Stash Error: index.lock File Exists
You run git stash and see: fatal: Unable to create 'path/.git/index.lock&#...

Fix Nginx Configuration Test Failure for Upstream Directive When you run nginx -t and get an error involving the upstream directive...

Issue queue Sitemap Chrome Update Causing Black Screen? Disable Hardware Acceleration Fix Windows Defender Real-Time Protection Permission Denied Windows 11 Update Hangs at 0%: Registry Edit Solution How to Increase Node.js Heap Size for Module Loading Resolving Python Latin-1 Encoding Errors Resolve Outlook Search Index Issues in Windows Docker Compose Env Variable Not Available in Container: Fix Windows 11 Python Command Not Found Guide Troubleshooting Windows Defender 0x800704ec Git LFS Migrate: Rewriting History for Large Files Troubleshooting Git Clone Connection Timeout Fix npm install Permission Denied on node_modules Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities