Heyy there...I have formatted my Nokia X7 - (Volume, Camera and Menu Key), freed up some mb's but when i tried to install ovi store, it did not work..."unable to install" it reads, even tries installing YouTube Downlader HD it read 'Qt missing'....any help?

Note: Bright Light (torch Application, Symtorrent (Torrent client) dont rk too....they open and shut down immediately....