Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Git Merge Unrelated Histories with Conflicts: How to Resolve

You try to merge two git branches and get an error like fatal: refusing to merge unrelated ...

Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate
When cloning or pulling from a Git repository, you may see:
fatal: unable to access...

Fix VSCode Terminal Not Opening with Git Bash
You open Visual Studio Code, press Ctrl+` to bring up the terminal, and expect Git Bash. Instead,...

Fix Windows 11 Update Stuck at 0% with Service Not Running
You click Check for updates, see 0% for ages, and maybe an error like 'Windows Update service...

How to Fix Windows 11 Update Stuck at 0 Percent
You click Check for updates, and the progress bar sits at 0% for minutes or hours. This is a comm...


    Issue queue
Sitemap
Chrome Extensions Not Loading: Common Causes and Fixes
Docker Compose Env Variable Missing: How to Fix
Windows Update Service Disabled Troubleshooting
Remote Desktop Denied by Group Policy: Fixes
Cloudflare DNS: Wildcard vs Root Domain Conflict Solutions
ERR_NAME_NOT_RESOLVED After Chrome Update Fix
Resolving Git SSL Certificate Problem: Local Issuer Error
Fix Git 'index.lock file exists' Error
Fix Windows Update Error 0x80070005 Permissions
Fix Docker Container Exiting with Code 0
Chrome Certificate Error Invalid Authority: Diagnosis Checklist
Chrome Crash Error STATUS_ACCESS_VIOLATION Solution
Desk note

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