Hello, my apologies for this error, I will submit a fix for it tomorrow. In the meantime you can clear the showing of the Geom window by clicking on the Layout button in the top right of the Unity window and click on a default layout or choose Revert Factory Settings. This will stop Geom trying to start up and you can create the missing folder called UndoRedo in the MeshMaker folder.Again, sorry for the inconvenience, for two years the empty folders were imported correctly from the store but now none of them are being imported. You may also need to create a "Designs" folder to fix the same problem with Construction.The update should be ready to download in a few days.Regards,Alan