Hi, make sure you download 1.2c from the first link here, and follow all the instructions from the 2nd link:
Download: https://forum.nhl94.com/index.php?/topic/20863-nose-newtest-versions/
Instructions: https://forum.nhl94.com/index.php?/topic/14217-nose-12b-download/
(sorry for the confusion of there being multiple pages)
If it's installed correctly and the error is coming up.. sorry, not sure how to get around it