HerpHandler, exactly the right place for your post.

Unfortunately it is not possible to display pet health in group or raid windows.
Krawl, please check whether it also flickers on attackable mobs. If it is only white named NPCs, I may have an idea. Thanks for answering all those questions btw, but they were meant for
BigJim187, and that's why they did not make much sense to you.
x82nd, you can enter your logon information into the file
_ProfitUI_LoginData.xml by editing it with any text editor (windows editor/notepad works fine). You will find a sample line in there that you need to copy for each of your characters (edit the uppercase info in there, nothing else).
oceeye, can't fix it if you don't let me know about it, can I? Would you mind answering the questions I posed to BigJim187 below? Might help me find out where the problem lies, because I have never personally seen a crash so far.
Jhansen1, SOE broke something with that cloak button substitute, many people had problems with those in all kinds of UIs. Had some trouble with one of them as well.