Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix DNS Probe Finished NXDOMAIN on Custom DNS Server

If you see “DNS PROBE FINISHED NXDOMAIN” in Chrome or another browser while using a custom DNS se...

Git Detached HEAD Warning Explained: Causes and Fixes

You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

Chrome Extensions Not Loading: Fix 'Permission Denied' Errors

You install or update a Chrome extension, but it refuses to load. Instead, you see a Perm...

Docker Desktop Engine Not Responding: Practical Fixes
You click Start in Docker Desktop, the whale icon spins, but nothing happens — o...

How to Set npm Prefix to Avoid Permission Denied Errors
If you've seen EACCES: permission denied when running npm install -g

How to Fix Windows Update Error 0x80070005 Access Denied When Windows Update fails with error 0x80070005 and 'Access Denied', it usually means the...

Issue queue Sitemap Fix VS Code Git Authentication Failure with No Prompt How to Uninstall a Windows Update in Safe Mode After a Blue Screen Troubleshooting Nginx Upstream Refused How to Stop Docker Container from Exiting on Start CMD Commands to Fix ERR_NAME_NOT_RESOLVED Error How to Fix pnpm 'Cannot Find Module' Error Fix Python Memory Errors When Processing Large Files Fixing Docker Pull Access Denied Error 403 How to Restore Missing System Tray Icons on Windows Fix Chrome Launch Crashes: Step-by-Step Guide Nginx Permission Denied Error Log Location and Fix Escaping Special Characters in Docker Compose Env Vars Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities