First uninstall it manually by following below mentioned procedure:
How to uninstall Dogfight or any other store application from windows 8.1
On windows 8.1 Start screen, type PowerShell and then click Windows PowerShell.
1. Get-appxpackage –Name *part of package name*
e.g. > Get-appxpackage –Name *dog*
2 remove-appxpackage FEF09289.Dogfight_1.1.0.80_x86__djayc63bxkq60 –confirm
Remove for all users account to completely remove the package
It will take 1-2 minutes before a message appear that the program has been removed. Then go to windows store and install the fresh copy.
Happy Flying
The following user(s) said Thank You: WB|War hawk1-5
WAR HAWK WAS JUST WANTING TO KNOW IF YOU HAD ALREADY TRIED THE BASIC STEP AT STORE. GUESS YOU SHOULD JUST UNINSTALL AND TRY INSTALLING AGAIN. IF THAT DOES NOT WORK MAYBE YOU SHOULD CONTACT BOTH DOGFIGHT SUPPORT AND MICROSOFT FOR MORE ADVANCED HELP.
The following user(s) said Thank You: WB|War hawk1-5