Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git 'index.lock file exists' Error

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

Docker Desktop Engine Stopped: Fix Firewall Block
If Docker Desktop shows “Engine Stopped” and you suspect a firewall block, here’s how to diagnose...

Fix Git Push Rejected: Non-Fast-Forward Error
You try to push your local commits to a remote Git repository, but Git refuses with: ! [rej...

Fixing VS Code Git Authentication Failed Error
If you see "Git authentication failed" when pushing or pulling in VS Code, it usually mea...

Fix Docker Desktop Engine Stopped with Virtual Machine Error
You start Docker Desktop and see “Docker Desktop engine stopped” with a message about a virtual m...

DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails
You're browsing normally and suddenly Chrome shows "DNS_PROBE_FINISHED_NXDOMAIN". You...


    Issue queue
Sitemap
Chrome Extensions Won't Load – Troubleshooting Guide
How to Repair Blue Screen After Removing Windows 11 Update
Antivirus Causing ERR_NAME_NOT_RESOLVED – Solutions
Troubleshooting Cloudflare Error 521 Post-Update
Laptop Chrome Black Screen Fix: Hardware Acceleration
Docker Desktop Engine Stopped After Update: Fixes
Fix 'pip externally managed environment' on Ubuntu 23.04
Python Large File Processing: Chunking Example
How to Resolve VSCode Terminal Not Opening After Extension
Mac Edge Sync Setup: Turning On and Troubleshooting
How to Fix Docker Desktop Engine Stopping Repeatedly
Cloudflare 521 Error WordPress Fix Guide
Desk note

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