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 Error on Mac

You're browsing on your Mac and suddenly a site won't load, showing the error DNS...

npm package.json Not Found: Troubleshooting Checklist
When you run npm install or npm start and see package.json not fo...

Git Merge Conflict Checklist Before Merging You're about to merge a branch, but you've been burned by merge conflicts before. This ch...

Fixing Nginx 502 Bad Gateway in Docker Networks You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

How to Fix Node Sass Build Failed Error When running a project that depends on node-sass, you might see an error like ...

Git Merge Conflict: How to See the Diff Between Versions When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Issue queue Sitemap Node Sass Build Error: Fix After Clearing npm Cache Resolving Python Dependency Conflicts Between Requirements Files How to Fix Windows Update Service Not Running ERR_NAME_NOT_RESOLVED Fix: Router DNS Settings How to Change npm Directory to Avoid Permission Denied Git SSL Certificate Problem: Corporate Proxy Workaround Fix Nginx Configuration Test Failed on Ubuntu Fix Explorer Restart Loop by Disabling Shell Extensions Chrome Black Screen on Startup: Hardware Acceleration Fix Fix Windows Defender Real-Time Protection Not Running Fix 'node sass build failed permission denied' Error How to Resolve Nginx Permission Denied on Root Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities