How to Fix 'Windows Defender Module Not Found' Error
If you see 'Windows Defender module not found' when trying to open Windows Security or run a scan...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Running Scripts Is Disabled' Error in PowerShell
You try to run a PowerShell script and see: ...cannot be loaded because running scripts is ...
Chrome Extensions Not Loading? Troubleshooting Checklist
You open Chrome, click the puzzle piece icon, and your extensions are grayed out or missing entir...
How to Fix Windows Security Authentication Failed Error
When you see the error 'Windows Security authentication failed' while trying to access a network ...
Fix Visual Studio Installer Not Working After Windows Update
After a Windows update, the Visual Studio Installer may fail to launch, hang, or show error messa...
Fix Windows Defender Connection Refused on Windows 10
When you see "connection refused" while using Windows Defender on Windows 10, it usually means th...
Topic paths
Quick titles
Troubleshoot Windows Search Connection RefusedWindows Defender Configuration Guide for IT AdminsTask Scheduler 0x80070643: Proxy and Permission FixesChecklist for Windows Defender SSL Certificate ProblemEnable PowerShell Script Execution: Step-by-StepFix cmd.exe High Memory Usage on WindowsFix Missing 'Log on as Batch Job' Right in Task SchedulerWindows Terminal Opens Blank – Troubleshooting Guide