You'll need "Openstep-4.2-Intel-User.iso" and "Openstep-4.2-Intel-Developer.iso" from the usual places. A boot floppy in which the extension ".floppyimage" has been changed to ".img" so it can be ...
If VirtualBox stuck on Saving state, your machine is in the hung state. Kill the VM via the Command Prompt, disable Core Isolation/Memory Integrity, etc.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results