Error message: You are running the wrong version of The Sim 2. Please run . inst

[burley]

Im at my wits end. The installment of Sim 2 Holiday went fine but when I tried to run it I got this message: You are running the wrong version of Sim 2. Please run . instead. I already tried the knowledge Base and got answers that got nothing to do with this error. Please dont tell me to put in correct disc because there is no other Sim 2 installed except for Sim 2 Holiday Edition. Before this installment I deleted the Sim 2 registries and C:/Document and Setting entries. And still I get this error message. The dot in the error message (Please run . instead) indicate that something from previous installment is preventing me from running the game. Anyone can help me with this? Thanks.

burley