This is a known issue in the Windows 10 SDK (version 10.0.14393.33), which is included in Visual Studio 2015 with Update 3. And it has been fixed in QFE Build 10.0.14393.795 .
This unprotected update includes quality improvements:
- A problem that developers could not create UWP applications on Windows 7 because the MRMSupport.dll file could not be loaded.
- Fixed issue where MidlRT and MDMerge could not start in Windows 7
- Fixed an issue where installing the SDK failed to install on Windows
- We fixed an issue where deploying the old Store app to an 8.1 phone caused Visual Studio to crash.
- Fixed an issue where application data was not saved in remote debugging sessions when applications became unregistered
See the Windows SDK and the emulator archive for more information.
To solve this problem, go to "Add or Remove Programs" and "Uninstall" Software Development Kit for Windows - Windows 10.0.14393.33 . Then reinstall the 10.0.14393.795 version from the Windows SDK archive and emulator. After that, you can create the UWP application without errors.
However, in Windows 7 with Visual Studio 2015, the official support for Windows Universal is Build Only . Many other Visual Studio features are degrading. Therefore, if you are developing Windows Universal Apps, Windows 10 is highly recommended. See this answer for more information.