Exactly....I can't find that NT-AXX0D.21 system file. I've searched the whole computer and it seems like it was never installed. On top of it thanks to our tight control on software, the original software packaged is locked up with our IT group/person, who is out on vacation this week. I'm looking to get that system file so that I can upload it to the HMI. I wasn't here when the software was installed on this PC, but I'm assuming it was never installed during the initial installation.