Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Chrome Certificate Error Invalid Authority: Diagnosis Checklist

When Chrome shows NET::ERR_CERT_AUTHORITY_INVALID and refuses to load a site, it...

Restore Windows Defender Real-Time Protection After Malware Disables It

If your Windows Defender real-time protection has been turned off and you suspect malware is the ...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

When you run git clone or git pull and see an error like "S...

VS Code Git Changes Not Detected After Clone: Fixes
You clone a repository, open it in VS Code, but the Source Control panel shows no changes—even th...

Fix Docker Volume Permission Denied for MySQL
You attempt to run a MySQL container with a bind mount volume and get an error like mkdir: ...

Fix Cloudflare SSL Full Strict Redirect Loop If you've enabled Cloudflare's SSL/TLS encryption mode to Full (Strict) ...

Issue queue Sitemap Git SSL Certificate Update Guide for 'local issuer' How to Fix 'Unable to Get Local Issuer Certificate' in Git Troubleshooting DNS Probe Finished NXDOMAIN on Custom Servers Fix Node Version Incompatibility When Installing Packages How to Fix Incomplete Certificate Chain on Origin Git Non Fast Forward Push Error Troubleshooting Python Not Recognized in VS Code Terminal on Windows Python Not Recognized on Windows 11 Fix How to Open VSCode Terminal for Python How to Restore Missing System Tray Icons on Windows Cloudflare 521 Origin Unreachable Fix Cloudflare Origin Certificate Not Showing in Dashboard: Fix Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities