Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix net::ERR_CERT_AUTHORITY_INVALID in Chrome on Android

When browsing on Chrome for Android, you might encounter the error net::ERR_CERT_AUTHORITY_...

Firefox Secure Connection Failed: Date and Time Fix
If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

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

Fix VSCode Git Authentication Failed on Windows
If you see "Authentication failed" when pushing or pulling in Visual Studio Code on Windo...

Fix 'Windows Cannot Access Shared Folder' in Workgroup
When you see 'Windows cannot access \\ComputerName\ShareName' in a workgroup, it usually ...

Fix Docker Nginx 502 Bad Gateway with MySQL
You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...


    Issue queue
Sitemap
Rebuild Windows Search Index Without Losing Data
How to Resolve 'Git Remote Origin Already Exists' in VS Code
How to Clear DNS Cache After Changing DNS Servers
Git index.lock: Causes and Prevention
Windows 11 Install Assistant Stuck at 99%? Try These Fixes
Cloudflare Wildcard DNS Record Setup Guide
SourceTree Detached HEAD: How to Fix It
Windows 11 Bluetooth Not Working Error Code 0x00000001
Cloudflare DNS Propagation Time: What to Expect and How to Check
Node Version Mismatch with Global Tools: Diagnosis and Fix
pnpm CI Install Failure Troubleshooting
Nginx Cloudflare Redirect Loop Troubleshooting
Desk note

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