"Failed to create Luxology system directory"
Clicking in the Message Center from MicroStation status bar, the error message is explained further and states the following: "This most likely means MS_TMP is not writeable"
Check the MS_TMP variable, to do this, in any file, go to the menu Workspace > Configuration
In the Category column on the left, choose All (Alphabetical)
From the Configuration variable list on the right, scroll down until MS_TMP
Select MS_TMP and note the value in the Expansion box
Using Windows Explorer, check if the folder exists and, if so, does user have write access to that folder
Luxology Rendering Engine Failed