Why I can't updates all the software in the apps store?

[iMore Question]

When I try to update, a message pop out saying that Australaian store is not valid so I need to change to the Malaysian store. Then I change the country to the Malaysian store. However, it still won't update the apps

 

[kch50428]

What store did you buy the apps in?

Change the country of your iTunes Store, App Store, iBooks Store, and Mac App Store account - Apple Support
Can't change the country of your iTunes Store, App Store, iBooks Store, or Mac App Store account - Apple Support