iPad instability when connected to MacBook

I have a MacBook Pro runninging O/S 10.6. Whenever my iPad connect to my MacBook, it goes beserk. Contacts pages open and turn, Apps open and close randomly, the Calendar opens and changes dates chaotically etc. My iPad is instability now. Even I have restored the iPad twice. I think you may update your Mac. Now most recent Snow Leopard version is v10.6.4. If you are running v10.6.2, click your