Do you currently use the old "Windows Mail" or the newer version "Windows Live Mail" ? Usually the crash you just described occurs on the older "Windows Mail" because there is some sort of interfering between the Antivirus in your system and Windows Mail. I strongly recommend the upgrade if you haven't done it yet
Also, If you are using the old version, have you tried to reset your Windows Mail settings? If not, you can follow the steps in this tutorial: http://www.vistax64.com/tutorials/62560-windows-mail-problems.html
Edited by masterthemachines, 31 July 2014 - 09:25 AM.