- Compatible with:
- Windows
- Available in:
- Desktop Security version 5
Error message
Update Windows to stay protected. A missing Windows security update is required to update the app.
What caused the error message
When trying to install or update the app on your Windows device, the installer noticed that the Windows OS version on your device was outdated and lacked a significant security update. Instead of installing the app, you received the error message above.
How to resolve the error
Check to make sure your Windows device meets the app's system requirements. You should also review Windows 2019-09 Security Update for Windows devices running Malwarebytes home products to ensure your device has the latest security updates. If available, update your device and then try installing the app again.