Originally Posted by
humzahyaz My cortana problem too sorted out on its own within a couple of days without my intervention. However, my battery life has drastically deteriorated and I don't notifications for whatsapp messages any longer. I am on build 10586.164. The preceding build was a lot more stable.
Open Whatsapp time to time, same happened to me awhile ago with whatsapp.
When I opened the app it took a few seconds to load and soon after I got all the messages that were sent a few days prior and have been getting messages since then. I hadn't opened the app for 3 days.