Problems with official fw and certificates ...

[Guest eurino]

Hello , can someone solve the problem with at least 4 official fw from samsung ... Everytime when I install any applications , there is an error - there is a problem with certificate or reinstall application ...

I dont understand , because i m trying that for example on PROFIMAIL ... Dont work .. I red somewhere , that have to install new framework , but i tried a lot of things, but nothing solve the problem ...Can someone helps with that ? Why all the applications cant work ? Whats the problem with certificate ?

Thanx