in the army,stationed in TX,from CA got dui,its paid off an cant take the school,at the moment in iraq?

have vehicle bought in TX an cant renew reg.,can i renew it online?ive already talked to the mandatory actions unit in sacramento,not much help,this is been a problem for going on for almost 2 yrs,considering changing residential address so i can get an sr-22,will be back in tx in december,any help?IM DESPERATE!