|'I down loaded the advance registry Optimizer'|
Those are the WORST trials on the internet. They use false positives to get you to buy their product and don't work well AFTER you buy the product. Stay away from free trials that are not fully functional.
Some of the best tools for removing infections are:
2- Trojan Remover
The last 2 are fully functional 30 day trials, run them till they are clean and then uninstall them in all programs using their own uninstallers, NOT add/remove.
also set up avast to do a bootscan on reboot and move all it finds to the chest.
Some HELP in posting on Computing.net plus free progs and instructions Cheers