Currently Being ModeratedNov 20, 2011 10:04 AM (in response to boggartsinthewardrobe)
Need to know what Mac model you have. You can't install earlier versions of the OS than that with which (any) Mac was originally delivered. The safest way is to erase the hard drive & reinstall the system you want & its associated apps/files. Do you have a backup of your hard drive?
Look at these links:
Cheers, Tom G4 1.25HGz MDD, PB 12" G4 1.5GHz, Mac OS X (10.5.8), (10.4.11, 9.2.2) iSight,iPad2