Unable to launch application. Launch using the ffxivboot.exe file

[Senceia]

I upgraded to the storm blood expansion last night. I went to get on today and I clicked the shortcut and it started loaded final fantasy update launcher. Then it threw up an error message saying (unable to launch application. Launch using ffxivboot.exe file. I dine the file and click it and it says the same thing. I have tried all kinds of different solutions and running it as admin everything I've tried it always says the same thing.

https://www.dropbox.com/s/dy6douu7m0ofuot/boot.rar

even if you don't have a dropbox, just hit cancel and it'll let you download it.