Are you talking about ObjectDock or WindowBlinds? They are two different programs. If this is the first time you have installed the trial, uninstall it, run something like CCleaner to clean up the registry and reboot. Then install WindowBlinds with your AV/Malware stuff temporarily disabled.
Also, what OS are you installing to? Open WB config and copy the info in the About WindowBlinds window and paste it here.