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 install Peer Dependency Conflicts

When you run npm install and see warnings like UNMET PEER DEPENDENCY or...

Fix Jupyter Notebook Token Not Working on Ubuntu

You launch Jupyter Notebook on Ubuntu, but when you open the URL in your browser, the token promp...

MongoDB Authentication Failed: Causes and Fixes

You try to connect to MongoDB and get "Authentication failed" or similar error. This usually happ...

How to Configure Windows Defender Firewall Settings for a Network

If you're having trouble with network connectivity or need to allow an app through the firewall, ...

Fix PowerShell WinRM Connection Refused Error

When you run Enter-PSSession or Invoke-Command and get a connec...

Fix Windows Defender Blank Screen in Safe Mode
You boot into Safe Mode to run a malware scan, but Windows Defender shows nothing—just a blank wh...

Issue queue
Sitemap
Fix Common Edge Browser Issues Checklist
How to Repair Blank Task Scheduler Window
How to Unlock Office Files Stuck in OneDrive Sync
How to Fix Remote Desktop Reset Settings Not Working
How to Fix Maven Permission Denied Error
Fix Windows Update Connection Timeout Error
Fix Error 0x800f0922 and Find Windows Update Logs
Fix Windows Security File Locked Error
How to Sync Windows Terminal Settings Offline
How to Fix Windows Defender Antivirus Disabled Permanently
Troubleshoot Chrome Proxy Settings Error
Windows 10 Command Prompt Proxy Troubleshooting
Desk note

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