What version of OR-Tools and what language are you using?
Version: 9.10.4067
Language: Python

Which solver are you using (e.g. CP-SAT, Routing Solver, GLOP, BOP, Gurobi)
CP-SAT

What operating system (Linux, Windows, ...) and version?
Windows 10 Pro, 10.0.19045 build 19045

What did you do?
Run tutorial example https://developers.google.com/optimization/cp/cp_example

What did you expect to see

What did you see instead?
Process finished with exit code -1073741819 (0xC0000005)

Make sure you include information that can help us debug (full error message, model Proto).

Anything else we should know about your project / environment
9.9.3963: works as expected, prints a list of solutions