Fix 'Module Not Found' in Python Virtual Environments
You've activated your virtual environment, installed a package with pip, but Python still says
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Login Loop: Step-by-Step
You sign in to Windows, see the desktop briefly, then get kicked back to the login screen. This l...
How to Fix Windows Security Not Responding
Windows Security (formerly Windows Defender Security Center) may stop responding, hang on launch,...
Fix Outlook SMTP 587 Port Already Allocated Error
You try to set up or send email in Outlook, and you see an error about port 587 already being all...
Microsoft Store High CPU Usage: Troubleshooting Checklist
You open Task Manager and see Microsoft Store eating 20-30% CPU, fan spinning up, system sluggish...
Fix Chrome Not Responding on macOS Ventura
If Chrome stops responding on macOS Ventura—clicking does nothing, the window goes gray, or you s...
Topic paths
Quick titles
Fix Firefox Not Responding: Disable Hardware AccelerationFix Chrome High CPU Usage on Linux: Practical StepsHow to Set Up OneDrive Sync on Windows and MacHow to Fix Windows Defender 504 Gateway TimeoutOutlook Slow to Open Messages TroubleshootHow to Fix Command Prompt Proxy ErrorTroubleshooting Missing Teams Cache FolderFix Windows Defender Connection Refused via Group Policy