Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows 'NET::ERR_CERT_AUTHORITY_INVALID', it means the browser cannot verify t...

Fix Firefox Secure Connection Failed Error (Mozilla)

When Firefox shows 'Secure Connection Failed' and a message like MOZILLA_PKIX_ERROR_<...

Fix Git Large File Push Permission Denied
When you run git push and get a permission denied error after adding a large file, t...

Fix WiFi No Internet After Windows 11 Update
After a Windows 11 update, you might see your WiFi connected but with no internet access. This is...

Fix Node.js Heap Out of Memory When Processing Large JSON Files
If you're seeing FATAL ERROR: Ineffective mark-compacts near heap limit Allocation fail...

Fix Permission Denied on chmod in VS Code Terminal You're running chmod in the VS Code integrated terminal and seeing 'permissi...

Issue queue Sitemap Windows 11 No Internet but WiFi Connected – Netsh Fix Docker Network Not Found When Running Container: Fixes Windows Defender Real-Time Protection Grayed Out Fix How to Fix Cloudflare Origin SSL After Renewal Nginx Redirect Loop Troubleshooting Chrome ERR_CONNECTION_RESET Firewall Block Fix Command Prompt Troubleshooting for WiFi No Internet Windows 11 Fix Chrome Sync Not Working After Google Password Update How to Fix Edge Sync Stuck on Preparing Sync Fix 'Python' Command Not Found on Windows 7 Git Detached HEAD: What It Is and How to Fix It How to Fix VS Code Terminal When Using Node Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities