Thanks Friedo for your quick answer. I did what you said, and download the API module. But now I get this 'shout': "Can't locate loadable object for module Win32::API in @INC". INC cntains all the links I set, which the first one point at the Win32-API-0.41 directory (which I have download from Cpan) Whem I tried to debug I have tested the Win32-API-0.41 directory it self by a simple test as suggested in the Win32:API link that you have sent me. all I wanted is to call the API, and get a process ID, thus I have copy paste the example given in the Cpan, and now I got the following 'shout': Can't locate Win32/API.pm Although I ran the test in the same directory whereas the API.pm was! But beside this 2 problems above,I am worried now, about something else: The Device I work with (the speach recognition device) can work only with Windows98/95 as it use the 8bit Dos, which is not applicable for Windows-2K/XP. Do you think I might face problem using the Win32 when communicate to that device? Please reply, thanks, Eran.

In reply to Re^2: Using the Serial Port by eran_benjamin
in thread Using the Serial Port by eran_benjamin

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