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 on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix Windows Search Indexing Service Not Running

If Windows Search stops returning results or the search box shows no activity, the indexing servi...

ERR_NAME_NOT_RESOLVED on Chrome Linux: Fix Guide

You're browsing on Chrome in Linux and suddenly a page won't load, showing ERR_NA...

Fix Windows 11 Installation Assistant Stuck at 99% in Safe Mode
If you're running the Windows 11 Installation Assistant in Safe Mode and it gets stuck at 99%...

How to Fix Git Push Rejected Non-Fast-Forward Upstream
When you run git push and see rejected! non-fast-forward, it means your...

Docker Compose Secret vs Environment Variable: When to Use Each
If you're writing a docker-compose.yml and wondering whether to put a value in <...

Issue queue
Sitemap
Stop Blue Screen on Windows 11 Update Using DISM
Reduce Chrome Tab RAM Usage
How to Refresh VSCode Source Control Detection
How to Fix Chrome ERR_CONNECTION_RESET When VPN Is On
Mac DNS_PROBE_FINISHED_NXDOMAIN Troubleshooting Guide
Stop Chrome Crash on Startup Due to Malware
Fix 'Permission Denied' in VS Code Terminal for Node.js
Troubleshooting Nginx -t 'No such file or directory'
How to Fix Git Index Lock File Exists Error
How to Fix Cloudflare 521 Error During Setup
Docker Overlay2 Disk Full: How to Fix
Resolve DNS Issues Causing No Internet on Windows 11
Desk note

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