Hello Don, Are you opening multiple files? If so, <a href=3Dhttp://digital.ni.com/public.nsf/websearch/7A2BA0127EF8AB7B862565870= 04E35FB?OpenDocument>this</a> knowledge base may apply to your case.
If this doesn=92t help, or if I=92m not correctly understanding your issue, please post the software and versions you are using, the applicable portions of your code, and any other information that may help, and I=92ll be happy to look further into it. Have a nice day! Robert M Applications Engineer National Instruments