Problem with USB-6421

[Niloo]

When I try to run the NI example to test USB-6421 on my computer, I get the following message.

In NI MAX, when I right click on USB-6421, nothing happens:

Please let me know how to resolve this issue.

Thanks,

Niloo

[guserwin91]

Hi there, could you try the steps mentioned in the KB below? 
https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z000000P7a7SAC&l=en-MY