This sounds like it might be the Fall Creator version of Windows 10. See this article on Support Center.
And here are a few more items to check.
Make sure environment variables for %TMP% %TEMP% exist and are writable.
Make sure %PATH% includes
Make sure %windir% and %systemroot% are set to C:\Windows
Verify USERNAME and USERPROFILE are set correctly
Verify ComSpec references the cmd.exe
Try setting AMS_JAVA_MEMORY_HEAP low, as in AMS_JACVA_MEMORY_HEAP="-Xms100M -Xmx200M"