Calendar Icon does not work?

[Windows Central Question]

I have a Nokia Lumia 520 mobile phone. It asked me to update to the latest version, of which I accepted. But since then I am no longer able to use my Calendar? I have reset my phone but still to no avail?

 

[RumoredNow]

User created multiple ​Duplicate threads: already answered here: http://forums.windowscentral.com/ask-question/326493-calendar-icon-my-phone-no-longer-works.html

Pleas put further advice in the linked thread to keep things neat and tidy. Thank You.