> On Win 9x 2000, if you have your application running and pull the USB > device, the system locks up also. > > I have found that... > > Startup: Insert USB device -> start application > > Closedown: Close application -> disconnect USB device Is that for all USB devices or just the FTDI? If that latter, that would be a very good reason not to use FTDI, or at least their drivers. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.