Taskbar problem. Few days ago i nstalled mac leopard theme in my PC so the task bar moved at the

Question

Few days ago i nstalled mac leopard theme in my PC so the task bar moved at the top. Now i hav uninstalled the leopard theme bcause it was slowing down my PC but the task bar is still at the top.....how can i bring it down to the usual bottom position..........dont suggest system restore bcoz is no restoration pt is available before all this happened...