Same thing here and I never had patching problems before.
The Patcher seems to completely hang, can't be closed and must be killed using the task manager.
I will try again without SWTOR Unleashed and deleting the patch files this evening.
Got it to update now. Deleted all Patch files as described in this thread and disabled SWTOR Unleashed and watched as the patcher moved nerve-wreckingly slow above 34% and then got on with business