Ok, I've gotten the DOS version of the game to run in DOSbox. But I still would like to know why UniSCI.exe generated that error.

collector wrote: That just means that the game can't find its resources. check that your RESOURCE.WIN has the right paths. But that doesn't explain the first error. 😢

On Windows XP Pro SP2 (32bit) I have the following problem: first all 6 discs are copied/installed correctly, but after that, UniSCI.exe starts, but it encounters a problem. (See attachment 'First error') When I try to run GK2 after that, I get an internal game error. (See attachment 'Second error' …