I have mostly all the Sims 3 installed in my Laptop (Gateway) and once I installed Sims 3 Pets and took that disc out to try and play my other sims ... It didnt let me play my other sims anymore. So I tried to uninstall Sims 3 pets , but it wont let me ! It wont let me uninstall any of my Sims 3 games ! Can You Help ?