The selected disk named “^0” is an AppleShare Volume. The Installer can not install on an AppleShare Volume. Please click Switch Disk to choose a different disk or insert a floppy disk. The selected disk named “^0” is locked. Click Eject Disk, unlock the disk then reinsert; or click Switch Disk to choose a different disk. The selected disk named “^0” is locked. Click Switch Disk to choose a different disk. Please insert the disk you wish to install on. The selected disk named “^0” is the Installer disk. New software cannot be installed on the Installer disk. Please click Switch Disk to choose a different disk or insert a floppy disk. The selected disk named “^0” is the current startup disk. New software cannot be installed on a startup disk. Please click Switch Disk to choose a different disk or insert a floppy disk.