Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix 'PowerShell Command Not Found' on Mac

If you run a PowerShell command on your Mac and see 'command not found', it usually ...

How to Fix Windows Update Certificate Trust Error

You see a message like "Windows could not search for new updates" or "An error occurred while che...

How to Fix Command Prompt 502 Bad Gateway Error

If you see a 502 Bad Gateway error in Command Prompt, it usually means a proxy o...

Fix Python venv Activation on Ubuntu 22.04

You've created a Python virtual environment on Ubuntu 22.04, but running source venv/bin/ac...

Windows Security Not Found in Settings: How to Fix
You open Windows Security from Settings, but instead of the dashboard you get a blank page or an ...

How to Delete a Locked File Using Command Prompt
You've tried to delete a file, but Windows says it's open in another program. This happens often ...


    Issue queue
Sitemap
Resolve 'Windows Security module not found' Error
Resolve Windows Search Index Hang Due to Locked File
Windows Security Permission Troubleshooting
How to Fix Windows Update Error 0x800f0922
How to Fix Microsoft Store Failed to Start Error
Resolve Token Expired Error with Clean Boot
Windows Security Rate Limiting: How to Disable
Fix DNS Errors in Windows Task Scheduler
How to Fix PowerShell Execution Policy Error
How to Fix PowerShell Module Not Found Error
Fix 'Not Recognized as Internal or External Command' Error
Microsoft Store DNS Error? Try These Command Prompt Fixes
Desk note

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