Same problem here, and I think I know why! My name is Håkan, and that, or more specifically, the "å" in my name is the problem! Enpass Windows Store App can not handle non-english characters in the Windows user account name! The user account name is part of the path where the App stores data. The App installation process in the Windows Store creates the folder structure at  C:\Users\Håkan\AppData\Local\Packages\SinewSoftwareSystems.EnpassPasswordManager_fwdy0m65qb6h2 but then, the A