iOS, openURL opens odd webpage... (welcome to appe.com) - objective-c

When user click the link,
it should go to the app store page(angry bird page).
this is the code:
NSString *url = #"http://itunes.apple.com/us/album/angry-birds-rio-samba-single/id426982849?uo=4";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];
but, first time when I click the link, it goes to odd webpage.
(blank white page with text "welcome to appe.com", not apple.com).
and when when I click the link again, it goes to the right page.
anyone who experience with this situation?
this is error page on app store.

It's strange. Ia haven't experienced such situation yet. However, the link you are trying to open is not the Angry birds Rio GAME, but a SONG. If you want to lead user to Angry birds Rio game in app store, you should rather use:
NSString* urlString=#"itms-apps://itunes.apple.com/pl/app/angry-birds-rio/id420635506?mt=8";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];
(the protocol is not http:// but itms-apps://

use this link instead
NSString *url = #"http://itunes.apple.com/us/album/angry-birds-rio-samba-single/id426982849?ign-mpt=uo%3D4";
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];

I double-checked the url. and that was the problem.
I use this url,
http://itunes.apple.com/us/album/angry-birds-rio-samba-single/id426982849
not this correct one,
http://itunes.apple.com/us/album/angry-birds-rio-samba-single/id426982849?uo=4
I modified the url and it fixed the problem.

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