It was Firestater problem in connection... and i managed to deal with it now every thing is fine
Thanx guys =)
but i would like to stress on something i experienced while using Apex 0.4.0 : (under Wine 0.9.56 ,0.9.57 ,0.9.58 and 0.9.59)
Setting up on a Winows format (NTFS or FAT32) causes unstable and unusual behavior ,like in segmented downloading getting a message from some users "path to file not found" and things like that
and after changing the download and uncompleted files folders (and the installation files) to .ext3 every thing worked well including the segmented dl....