Hello,
CVI 5.5 and above actually builds an executable instead of running a project from the CVI environment (as in CVI 5.0 and below), so all linked files have to be manually included within the project. For example, an instrument driver in the project that links to some dll will run in CVI 5.0 and below, but it will only run in CVI 5.5 if the lbrary file is included in the project. I hope this information helps.