I am having the Same issue as well, I had to do a full reinstall to login yesterday to send my friend a message, and then logged in again today, and same issue all over again, just sat on Verifying 0%
Your not the only one experiencing this, its horrible to try progress in Tython with the inability to kill a mob without looking like you freeze mid animation and do nothing, hope this gets fixed soon i want to try Shadows of Revan not have Cartel Pack Simulator