How to install a custom UI:
http://www.eq2interface.com/forums/f...q_new_faq_item
Set up your custom UI folder, your eq2.ini to point to that folder, and then you need to drop the 2 files from that Mod that you're trying to use.
The reason it keeps going away is because you're placing it in the Default UI folder. This get's patched every time you log in.