Mike,

WAG, maybe this ActivX control has dependency on some Windows DLL's that're different on those PC's?

>Hi,
>
>I am getting the following error message "OLE error code 0x800401f9: Error in the DLL." whenever I use an active x control called barcodex.ocx in a VFP application. The strange thing is that the control works fine on most Windows XP installations but not all. I have ensured that the MDAC version used is also the same.