INVALID PV MEDIA ADDRESS

Geia sas!!

To  host operating system pou exw einai  Fedora 7 kai prospathw na kanw install quest operating systems sto Xen, xrisimopoiwntas ton Virtual machine manager
Epilegw tin methodo paravirtualized  
Sto field gia to install media, prepei na valw to location twn files pou xreiazontai gia to  installation tou kainouriou quest operating system, den einai swsta? Gia paradeigma,ean thelw na egkatastisw Windows XP apo to cd, vazw file://media/WINDOWS_XP .
Sto epomeno vima, opou prepei na  valoume to  location tou physical host system pou tha xrisimopoieithei gia to installation tou virtual sustem's operating s ystem, vazw /home/xen/winxp
Sto epomeno vima, kathorizw memory and cpu allocation,kai otan patw finish, emfanizetai to parakatw min. lathous:

INVALID PV MEDIA ADDRESS
Ti kanw lathos?

Exete katholou simvoules gia tin egkatastasi qeust operating systems xrisimopoiwntas to virtual machine monitor sto fedora 7?

Please HELP me !!

Thanks
Helen