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 in Docker Containers

You're running an Nginx container in Docker, but instead of your app, you see a 502 Bad Gateway e...

Fix OpenSSL Certificate Errors in Command Prompt

When using OpenSSL in Command Prompt (cmd), you may encounter certificate errors like unabl...

Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

Fix Chrome Profile Offline Installer Not Working on Windows 10
When the Chrome offline installer fails to run on Windows 10, you'll typically see an error like ...

Fix Windows Update Module Not Found Error: Tool Usage & Repair
If you see an error message saying 'Windows Update module not found' or 'wuapi.dll is missing', W...

Fix Apache Not Starting: Port 80 Already in Use
When Apache fails to start with the error (98)Address already in use: AH00072: make_sock: c...


    Issue queue
Sitemap
How to Fix Chrome Browser Crashing on Windows
Windows Terminal PATH Setup Guide
Fix Windows Security App Stuck on Loading Screen in Windows 10
Windows Terminal Hangs on Command Prompt
How to Fix Windows Update Module Not Found Error
Chrome Profile Locked After Crash: Fix Guide
Resolve OneDrive Sync Timeout Errors
How to Fix Windows Activation SSL Certificate Error
Permission Denied When Installing Chrome Extensions
Windows Security App Won't Open: Troubleshooting Guide
Run PowerShell Script with Admin Rights
Fix PowerShell Port Already Allocated Error When Port Is Free
Desk note

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