Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix npm run build Failures After npm install

After running npm install, you may find that npm run build fails with c...

Fix Nginx Upstream Connection Refused in Proxy Pass

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix Chrome Status Access Violation After Update
After a Chrome update, some users see a status access violation error when openi...

Fix 'Python Is Not Recognized as an Internal or External Command'
When you type python in the Command Prompt and see 'python is not recognized...

Fix Firefox Secure Connection Failed Due to Cache
You see a 'Secure Connection Failed' error in Firefox, often with messages like PR_CO...

DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences
When you see a 'DNS probe finished NXDOMAIN' or 'Server not found' error in your ...


    Issue queue
Sitemap
How to Fix Chrome Startup Crash Without Losing Saved Data
Cloudflare DNS Propagation Not Working with New Domain: Fixes
Chrome Startup Crash Fix: Disable Extensions
How to Fix Chrome Profile Sync After Update
Troubleshooting Windows Update 0x80070002
Docker Image Pull Denied: Fix Access to Repository
How to Fix Firefox Secure Connection Failed on Android
Chrome Update Causing Black Screen? Disable Hardware Acceleration
Troubleshoot Windows 11 Install Assistant 99% Hang
Troubleshooting 0x800f081f: Windows Update Repair Steps
Resolve 0x80070002 Windows Update Failure
Creating a package.json for Your npm Project
Desk note

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