Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

How to Recover from Detached HEAD in Git

You're working in a Git repository and suddenly see a message like 'You are in 'detac...

Windows Security App Not Opening: Practical Fixes

If the Windows Security app won't open—clicking the icon does nothing, or it crashes immediat...

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix VS Code Git Auth Failed with Personal Access Token
If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...

Cloudflare Wildcard Subdomain Cache Not Working: Fixes
If you use a wildcard DNS record like *.example.com proxied through Cloudflare, you ...

Fix Chrome Extensions Not Loading Configuration
You install a Chrome extension, configure it carefully, and then—nothing. The extension icon is g...


    Issue queue
Sitemap
How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush
Fix Windows Defender Real-Time Protection After Clean Boot
Windows Security App Not Opening on Windows 10: Fixes That Work
Personal Access Token Git Auth Issue VS Code Solution
Troubleshooting Windows Defender 0x800704ec
How to Resolve Chrome Sync Problems on Managed Chromebooks
Resolve Windows Update Error 0x80070005 via CMD
AWS CodeCommit Git Clone Connection Timed Out
Resolving Nginx Connection Refused Error
Creating a Branch from Detached HEAD in Git
Fix Chrome Status Access Violation in Safe Mode
Resolving Node Version Requirement Errors
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities