Using Native dlls
For many dlls Wine has its own implementation. Sometimes an original (native) dll works better. In winecfg you can tell Wine to use that native dll. Note: you can't use native versions of kernel32.dll, gdi32.dll, user32.dll and ntdll.dll.
Here's how to do it:
Open a terminal window and type $winecfg. Now click on the "Libraries" tab and choose the dll you want an override for. (in this case ole32.dll)
Click on "Add" so the dll will be added to the "Existing overrides" field en click on "Edit" to change from "builtin" to "native".