Windows System Image Manager known issue
When using Window System Image Manager (SIM), you might encounter errors if the ADK is installed on a device running a 64-bit version of Windows. To create unattended Windows Setup answer files on a 64-bit version of Windows, download the WSIM 1903 update, and follow the included installation instructions.
Updating Windows System Image Manager for Windows 10, Version 1903
Checking to see if your system is affected:
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1. If the host system that is running the ADK is 32-bit, you are not affected and do not need to update anything.
2. If the host system that is running the ADK is 64-bit, you are affected need to follow the steps below.
For Install Instructions read the readme.txt File in Download Folder
Quelle: docs.microsoft