Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fixing Nginx Upstream Connection Refused and Permission Denied

If you see connect() failed (111: Connection refused) or connect() failed (13:...

Fix Nginx Configuration Test Failure from Rewrite Rules
You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Git Detached HEAD Warning Explained: Causes and Fixes
You see a warning: "You are in 'detached HEAD' state." This happens when you chec...

How to Diagnose and Fix Chrome Memory Leaks
If your Chrome browser gradually consumes more and more RAM until pages lag or crash, you may be ...

Fix Windows 11 Blue Screen After Update Using SFC /Scannow
After a Windows 11 update, you might see a blue screen error on boot or during use. One common fi...

Fix VS Code Breakpoints Not Hit in Multi-Root Workspace
If you're using a multi-root workspace in VS Code and finding that breakpoints in some folder...


    Issue queue
Sitemap
Git index.lock Error: Causes and Fixes
Windows 11 Installation Assistant 99% Stuck Fix
Fix Windows Update Service Not Running After SFC Scan
Resolve Python Dependency Conflicts in Virtualenv
Chrome Mobile ERR_CONNECTION_RESET Fix Guide
How to Resolve Cloudflare 522 Timeout Error
Troubleshooting Git LFS Authentication on Push
School Chromebook Chrome Sync Not Working? Try These Fixes
Fix Cloudflare 522 Error with Nginx Configuration
How to Fix SSL Certificate Errors in Chrome After Update
How to Stop Cloudflare SSL Redirect Loop
npm Build Failed? Try This Checklist
Desk note

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