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

Windows Defender Real-Time Protection Troubleshooting Checklist
If Windows Defender real-time protection fails to turn on or keeps turning off, you may see warni...

Fix Nginx Configuration Test Failure on Location Directive
When you run nginx -t and see an error like [emerg] invalid location directive...

Fix Chrome Sync Not Working Due to Proxy Settings
When Chrome sync stops working, a misconfigured proxy is a common culprit. You might see errors l...

How to Reset Microsoft Edge Sync Settings
If your bookmarks, passwords, or other data aren't syncing in Microsoft Edge, resetting the s...

Repair Corrupt Windows Search Index Database
When Windows Search stops returning files or emails, or the search box hangs, a corrupt index dat...


    Issue queue
Sitemap
Python UnicodeDecodeError: 'charmap' Codec Can't Decode Byte
How to Fix DNS Problems in Windows 11 When Wi-Fi Is Connected
Node.js Heap Out of Memory: Fix for Large JSON Files
Show System Tray Icons in Windows 10
Troubleshoot Windows 11 Assistant Hanging at 99%
How to fix VS Code terminal not launching
Fix npm run build Permission Denied on Linux
How to Fix Git index.lock File Exists Error on Mac
Resolve Blue Screen Error After Windows 11 Feature Update
Docker Compose Env Var Not Showing in Container
How to Resolve Git Authentication Error in VS Code
Troubleshooting Docker Network Not Found on Startup
Desk note

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