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....

Fix Docker Overlay2 Disk Usage and No Space Left Errors
When Docker reports 'no space left on device' or you notice disk usage climbing in ...

Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer
When Git reports SSL certificate problem: unable to get local issuer certificate, it...

Fix VS Code Git Changes Not Showing in Source Control Panel
You open the Source Control panel in VS Code expecting to see your unstaged and staged changes, b...

Python Dependency Conflict Resolution Best Practices
If you've ever run pip install and seen a wall of red text about conflicting dep...


    Issue queue
Sitemap
Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block
Recover Lost Commits After Git Detached HEAD
Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes
Git index.lock File Exists: Causes and Solutions
Resolve Docker Compose Port Already Allocated
Fix Externally Managed Error: Create Virtual Environment
Cloudflare DNS Propagation Checklist: Verify and Speed Up Changes
Cloudflare DNS Propagation: How to Confirm
How to Fix Git Merge Conflict Error Code 128
Fix VS Code Source Control Not Detecting Changes After Branch Switch
How to Fix Windows 11 Blue Screen After Update Using Clean Boot
Chrome Access Violation on Print Fix
Desk note

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