In case your ZeissPy installation is failing due to an Ordinal242/MKL-load-failed error, the reason might be that you have some 3rd-Party application installed which modified the System32 folder. During the installation, a warning message will be displayed and inform you about dlls that are in the System32 folder. For a potential solution, take the following steps:

  1. Remove files from the System32 folder.
  2. Set a new environment variable