We have a lot of "hackerz" trying an unauthorized copy of a Beta Test and expecting buttery smooth operation. It simply isn't going to work that way and we are trying our best to sort through all the questions.
If there is a workaround for these issues it is TIME. Waiting for the Beta test to advance and a LEGITIMATE copy being offered for your device might be the best help for this, or any issue.
Given the nature of how you arrived at where you are... How is it you expect a quick fix for problems that were not foreseen by anticipating every hack method that might occur? Additionally, if you had read into all the wealth of materials regarding the TP you would have stood a good chance of knowing Cortana isn't coming with full functionality in early builds.
Your sense of entitlement may be affecting the spirit in which you hear the advice given...