Operation failed when i open the games and application appears operation failed, what should i do?

i think you have downloaded the games of unsupported format.try to download games at your phones specification

games and applications are not opening ..............showing operation failed

i cant open my enternet service because i dont know ho to set

cant open the application and game folder ...it says operation failed problem sony Ericsson k550i

i could not open my game and application, it will display operation failed, and then i try to reformat it, but it is not work. please help my problem.
games and applications are not open, if try to open that shown operation failed! how to solve this problem? please help vaen okay

i can't open the game ..operation failed
what can i do...?

every time i try to open the games folder it allways sayss operation failed how do i fix this

WHE I CLICK ON GAMES AND APPLICATION I WILL SHOW A MSG OPERATION FAILED. PLEASE HELP ME.

When i open my game and application the mobile said operation failed how can i solve this problem i can't downloads any game or softwares.please it will be kind if you help me.
Thank you