You are running out of memory..., try to exit other applications and do the installation again... Good luck, -chen xuan On Wed, 27 Jun 2001, Dux Yael-BYD011 wrote: > > While installing ns-allinone-2.1b8 this problem occurred: > virtual memory exhausted. Does any one know what this means? > Yael Dux > Telephone # 03-5684123 > -- Xuan Chen USC/ISI