How do I updated WhatsApp on my HTC C625b and it won't open. I reinstall and reset . What else can I try?

[WPCentral Question]

updated whatsApp on my htc C625b and it wt open. I reinstall and reset . What else can I try?

I am able to download and install WhatsApp but when I click on the icon it does not open. My operating system is windows 8.0