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Sadly, Faetyl hasn't been around since January, and at this point it looks like ThorUI is an abandoned UI mod. I've updated a couple windows already (bank, group, player) and will do others as I have time. Working on a different project at the moment, so could be slow.
The two windows from ThorUI most likely to be making it unusable are the bank and the loot window. As stated above, I've already updated the bank - check in the bank section of downloads. The loot window... honestly, I'm still trying to figure out what the heck Faetyl changed with it, or if the version I have is actually a default. For now, remove that one from your ThorUI folder in the UI director of EQ2.