
Fix 'Security Module Not Found' in Windows Defender
If you see a message in Windows Security that says something like "Security module not found" or ...
Software troubleshooting desk

If you see a message in Windows Security that says something like "Security module not found" or ...

After a Windows update, you may find that your PowerShell settings—such as execution policy, prof...

When Windows Defender fails to start or update, you might see an error like 'port already allocat...

After a Windows update, you might see "The term 'powershell' is not recognized as the name of a c...

You set up a scheduled task, but it never runs. When you check the Task Scheduler library, the ta...

If you type a file name into the Windows Search box and nothing shows up, or results are missing ...