I changed my region and language to US still no cortana appears but when I changed back to India store stopped working..what should i do now?
No I didnt as I want my store to work in India..Setting it back to US means I will miss the local apps.Any other option?Try setting it back to the US to see if the store is working?
AFAIK, this update is mostly a US centric release and other locations on this preview may not be working. Try changing it back to the US to see if its working, if so, then you have your answer to why its occurring