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"Controlled Folder Access" Windows 10 Unable to Start and ZRemesher replaces Tool

I had the following problems with ZBrush 2018.1

Unable to Start. Low Disk Space
Solution: In Windows 10 Ransomware Protection: Allow Zbrush.exe as an exemption.

Then Zbrush starts:

Then ZRemesher replaces even the simplest model with another. In my case “The muscular head”.
Temporary Fix: Disable Controlled Folder Access completely.

Question:
What program do I have to allow as exemption, so I do not completely have to disable “Controlled Folder Access”?

I did several reinstallations and reboots and drive changes. The current drive has 2.23 TB left.

Side Issue: netcat (nc.exe) from GoZ was flagged as malicious by Windows Defender, I cleared that.