Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix VS Code Source Control Not Detecting Changes After Branch Switch

After switching branches in Git, VS Code's Source Control view sometimes stops showing change...

Fix Windows 11 Blue Screen After Update with System Restore

If you're seeing a blue screen after installing a Windows 11 update, System Restore can often...

Fix Chrome Certificate Error Invalid Authority on Mac

You're browsing in Chrome on a Mac and suddenly see a warning: Your connection is not...

Fix Git Push Rejected Non Fast Forward Branch Error
If you see ! [rejected] and non-fast-forward when running git pus...

Fix 'Git Remote Origin Already Exists' Error When you run git remote add origin <url> and see fatal: remote origin al...

Fix Git SSL Certificate Problem Unable to Get Local Issuer on Ubuntu When you see git SSL certificate problem: unable to get local issuer certificate on ...

Issue queue Sitemap Resolve 521 Web Server Down with Firewall Changes Fix Chrome Sandbox Crash on Startup Wildcard Subdomain Cloudflare Setup Checklist How to Stop Nginx Redirect Loop Caused by Rewrite Chrome Status Access Violation Removal Guide VS Code Save Permission Denied on Mac: How to Fix Docker Hub Access Denied Error Fix How to Fix Port in Use Error Docker Compose Docker Pull Access Denied Error Windows 10 Guide Turn On Defender Real-Time Protection Using PowerShell How to Avoid Git Timeout with Big Repositories Windows Explorer Not Responding – Troubleshooting Tips Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities