Lord Yunson you need Darthmod 5,3 for ETW to function after the February 9th updates.

It's availlable over at TWcenter. Additonally there's a "hotfix" that can be manually applied to 5,1.

Darth is pretty good at updating his mod it seems. It just isn't highlighted enough for the casual mod player to figure it out.

I'll let you know if my reinstall goes well.