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

Fix Windows Update Service Not Running with Malwarebytes
If Windows Update fails with error messages like "Service not running" or "Windows Up...

Fix Nginx 502 Bad Gateway on Docker Ubuntu
You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see

How to Fix Git Clone Timeout with SSH Key
You run git clone [email protected]:user/repo.git and wait. After a while, you get a ti...

How to Migrate and Push with Git LFS
If you've added large files to a Git repository without Git LFS, you might encounter errors w...

Fix Windows Cannot Access Shared Folder Error 0x80070035
When you try to access a shared folder on another computer and see "Windows cannot access \\c...


    Issue queue
Sitemap
Resolve Missing File Error 0x80070002 in Windows Update
Chrome DNS Error: Reset Flags and Clear Cache
How to Fix Docker Pull Access Denied
Chrome PDF Error: Access Violation Troubleshooting
Mac Docker Missing Network Troubleshooting Guide
DNS Probe Finished NXDOMAIN: Troubleshooting Checklist
node-sass build failed: Python not found troubleshooting
Avoiding MemoryError When Processing Big Files in Python
Python 3.12 pip Error: Externally Managed Environment – Solutions
Fix VS Code Source Control Not Detecting Changes
Find Docker Desktop Engine Logs on Windows Mac Linux
How to Resolve Git SSL Certificate Problems
Desk note

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