Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix VS Code GitHub Authentication Failed Error

You're trying to push or pull code in VS Code, but you see an error like Authentication...

Fix Remote Desktop Connection Blocked by Firewall
When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...

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

Fix 'npm package json not found' Error When Using npx
When you run npx some-package and see an error like “npm package json not found”...

How to Fix Git Index Lock File Exists Error
If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...

Fix Windows 11 Blue Screen After Update Using Compatibility Mode
You installed a Windows 11 update, rebooted, and hit a blue screen. This often happens when a dri...


    Issue queue
Sitemap
Fix Nginx 502 Bad Gateway on Docker Ubuntu
Python venv Activation Failed: Troubleshooting Guide
Nginx Infinite Redirect After SSL Install Fix
Resolving package.json Engine Mismatch in Node
How to Use --allow-unrelated-histories in Git
Windows Update Error 0x80070002: Troubleshooting Guide
Merging Two Git Repos with Unrelated Histories
Fix Git Clone Timeout by Adjusting Config Settings
Large File Processing Memory Error Troubleshooting in Python
Reset Network Settings in Windows 11 When You Have No Internet
Handling Git Merge Conflicts in Lockfiles
Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome
Desk note

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