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 Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

How to Fix WiFi Connected but No Internet on Windows 11
You see the WiFi icon connected, but websites won't load, and apps report no internet. This i...

Fix Chrome ERR_CONNECTION_RESET Due to Proxy Settings
You're browsing in Chrome and suddenly pages won't load, showing ERR_CONNECTION_R...

Fix Git 'refusing to merge unrelated histories' Error
When you try to merge two Git branches that don't share a common commit history, Git stops wi...

How to Fix Nginx Redirect Loop 302 Errors
You're seeing a 302 redirect loop in Nginx — the browser keeps bouncing between URLs until it...

Fix Remote Desktop Connection Failed Due to Network Level Authentication
You try to connect to a remote PC via Remote Desktop and get an error: "Remote Deskto...


    Issue queue
Sitemap
Troubleshooting Cloudflare DNS Not Updating After SSL Update
Windows 11 Update Hangs at 0% – Troubleshooting
How to Fix Cloudflare 522 Error: Check Your Origin Server
Reduce Chrome Memory Usage: Practical Tips
Resolve Git Remote Already Exists When Changing URL
Fix pnpm ERR_PNPM_NO_OFFLINE_META: Step-by-Step Guide
DNS Probe Finished NXDOMAIN: Quick Fixes
Cloudflare DNS Propagation: How Long Does It Take?
Fixing Node Version Conflicts with Global Packages
Stop Windows Indexing for Performance
Fixing Python Dependency Conflicts with Incompatible Versions
Troubleshoot Windows Security App Launch Issues
Desk note

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