instalace JBuilder

[Petra Volna]

dobry den,

potrebovala bych trochu poradit s instalaci JBuilderu. nevim co neni v 
poradku, pro jistotu jsem si stahla ten soubor jeste jednou (jiny tam nemaji) 
a presto pokazde skoncim:

"Preparing to install...
The included VM could not be uncompressed. Please try to download
the installer again and make sure that you download using 'binary'
mode.  Please do not attempt to install this currently downloaded copy."

je mozne, ze to pokaze downloaduji spatne?!? 
mate nekdo zkusenost nebo vite co to znamena?

dekuji moc

Petra