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...

Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10

You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...

How to Fix the Git index.lock File Exists Error

You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

Fix Node Engine Requirement Not Satisfied Error
You run npm install and see: engine "node" is incompatible with this m...

How to Disable Shell Extensions to Stop Explorer Restarting
If File Explorer keeps restarting, crashing, or freezing on its own, a misbehaving shell extensio...

Fix 'Permission Denied' for Yarn in VS Code Terminal
When you try to run yarn in the VS Code integrated terminal and see a Permissi...


    Issue queue
Sitemap
Windows 10 npm install Permission Fix
Troubleshoot Node Sass Missing Module Error
How to Resolve Windows Update Error 0x80070002
Resolve Git index.lock Error on Windows
Fix Missing Taskbar Icons in Windows
How to Fix VS Code Permission Denied on Update
Resolve Windows Update 0x80070002 with Clean Boot
Fix Python Permission Denied When Installing Virtualenv with Pip
Fix npm ENOWENT Package.json Not Found on Mac
How to Resolve Windows Update Error 0x80070005
Resolve Nginx 502 Bad Gateway for Docker Containers
Fix Package Errors by Downgrading Node
Desk note

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