Unable to launch Unreal Engine v 4.16.2

I m trying to launch the engine but in vain.
Earlier it was saying api-ms-win-crt-runtime-l1-1-0 dll is missing from the system. Reinstall it.
Now the error is of API-MS-WIN-CRT-UTILITY-L1-1-0.DLL.
Help me to launch the Engine
Thanks In advance