EOleError with message 'Could not obtain OLE control window handle' in Delphi

I’m trying to create a Delphi RemObjects SDK Combo Service/Standalone project.
I could put an ActiveX control on the form.
But If run it, it crashes with an error message, “Project NewProjectClient.exe raised exception class EOleError with message ‘Could not obtain OLE control window handle’.”.

What is going wrong?

if you comment uROComInit unit in your client project, will it help?

Thank you, that was very helpful.