>>>May be it depends on how cSource and cDestination are defined? In the sample, I tried, I use:
>>>c:\DataEntry\*.* and c:\MyNewDir It works with the original code. Once I changed my real code to destination equals to the directory name, it also worked...
>>>
>>>I have no other ideas...
>>
>>According to the error lookup utility that comes with VS, 1223 means that the user canceled the operation.
>
>Thanks, George. I can not cancel the operation, since it was not started yet... :) Still, thanks a lot.

Try calling GetLastError() if the return value is non-zero