*driver* did not meet the Store signing level requirements - Windows 10 Code Integrity
**This error message is related to Device Guard Code Integrity in Windows 10 and shows up in the Event Viewer under the Code Integrity folder. As of writing this article, the error message is not described in online documentation of Microsoft.** In the current scenario, the built-in Windows 10 apps like the Calculator, Alarms & Clock or the Photos app will instantly crash after opening it. This error message tells that the sysfer.dll is not trusted by Microsoft and therefore cannot interfere with the Alarms & Clock app. ...