i tried and tried but no use iam not able to install oracle apps on windows xp . let me check my luck onlinux. i got redhat enterprise linux 4 ws and oracle 11i for linux today. as usual many tricks there for linux also !!! ok i am able to cross 1/5 and now in struck 2/5. unable to cinfugure instance. error beating me so i posted in oracle forums about this let me see what they will say.
