Your installation media couldn't be mounted. When installing from CD-ROM, this probably means that the disk was not in the drive. If so you can insert it and try again.
የተከላ ሲዲውን መጫን አልተቻለም። ይህም ምናልባት ሲዲው በማጫወቻው ውስጥ ባለመኖሩ ይሆናል። ይህ ከሆነ ይጨምሩና ይሞክሩ።