B2C2 DIRECT DRIVER DOESN'T LOAD CORRECTLY !!!

[7assoun10]

hey there...i'm having a problem with b2c2 direct driver (the last version 4.5.1)..only the low vertical frequencies work ( 10700 => 11700 vertical only)..b4 installing the new version of DD,i used the 1.4ip1 version and everything works fine..when i tried to return to this version the direct driver dosent work @all..i tried to reinstall the driver again again..but nothing happened out there..i prefer to use this driver instead of the sdk one coz all frequencies load okay...any help will be appreciated..thx