Hi,
I indicated my version of Windows in the original post: Windows 10 Home 64 bit v1803 (version 1809 is not yet available at home). And I only use Windows.
For the crash, there is no backtrace. Only this message, the program disappears and there remains a task residue in memory that the task manager does not see. Required to restart to uninstall this RC1.
Although the two PCs do not have the same hardware, one is a laptop with an Intel chipset and the other an old Tower with 12GB ram and a GPU Radeon 7770.
I also answered on another thread that is related to this problem:
https://discuss.pixls.us/t/error-code-launching-darktable/10220/7