Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Fix 'Microsoft Store command not found' in PowerShell

When you run microsoft-store in PowerShell and get a "command not found" error, it u...

How to Fix Microsoft Store Proxy Error on Windows 10

If you see 'Proxy server isn't responding' or similar proxy errors when opening the Microsoft Sto...

How to Fix Remote Desktop 'Connection Refused' or 'Permission Denied'

You open Remote Desktop, enter the computer name, and get either "Connection refused"

Fix Windows Security Loading Forever Error
You open Windows Security and it just spins—loading forever. This is a known issue on Windows 10 ...

How to Add a Public Key to authorized_keys File
If you're setting up SSH key-based authentication, you need to add your public key to the ~...

Issue queue Sitemap Fix WinSCP Permission Denied When Uploading Files Microsoft Teams Restore Stuck: Quick Fixes Configure Windows Update via Group Policy Outlook OST Not Syncing: Troubleshooting Guide Chrome Command Line Profile Error Troubleshooting Resolve Windows Activation Dependency Error After Update kubectl apply forbidden with proxy: fixes Teams DNS Resolution Fixes PowerShell Access Denied: File Locked or Permissions How to Resolve Error 0x80073712 Missing File BitLocker SSL Certificate Error: Troubleshooting Checklist Resolve Microsoft Teams Black Screen Issue Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities