VMware Player and Device/Credential Guard are not compatible
Solution 1:
This worked for me:
1) Disable Hyper-V in the host with this command in the cmd (as admin): bcdedit /set hypervisorlaunchtype off
2) Restart host
Solution 2:
I had to do an extra step to make it go away:
Settings > Update and security > Windows security > virus and thread protection > Device security > Core isolation > core isolation details > (Turn off memory integrity)
Info:
Windows 10 1803 build 17134.137
i7 7700
VMware workstation pro 14.0.0 build-6661328