How to Fix Command Prompt Module Not Found Error
When you type a command in Command Prompt and see 'module not found' or 'command not recognized',...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...
Fix Command Prompt Proxy Settings 502 Bad Gateway
If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...
Fix Certbot Renewal Failed with ACME Error
If you see a message like Certbot renewal failed with acme error when running ...
Fix PowerShell Authentication Failed Credentials Error
When you run a PowerShell command that requires authentication, you might see an error like
Windows Defender 404 Not Found: How to Fix Missing Interface
You open Windows Security, click on Virus & threat protection, and get a blank page or a 404 erro...
Topic paths
Quick titles
Windows Defender Group Policy GuideWindows Defender Blank Screen: Registry Fix GuideMicrosoft Teams Proxy Setup Guide: Step-by-Step ConfigurationHow to Resolve Certbot Nginx Plugin Permission ErrorsReduce Windows Security CPU Usage After UpdateWindows Defender Slow Performance ChecklistOutlook Invalid Configuration Permission Denied FixTroubleshooting Outlook 404 Not Found