Icon already includes gloss effects

Solution 1:

iOS 5 has anew "Icon Files (iOS 5)" key in the Info.plist file. Make sure the "Icon already includes gloss effect" boolean in that dict is set to "YES" too. You may need to clear your build folder before the changes take effect in the simulator. It takes a lot of troubleshooting to get it to work on older projects, so you might try erasing the root level key.

Solution 2:

First Settings in a your project info-list set key Icon already inculdes gloss effects to YES Boolean value like below screen shot:

after try project Target settings tick the checkbox in the summary tap in the App Icons section like below screen shot:

it's worked for me!

Welcome in Advance!