Comodo does not give option to always block updatetask.exe, repeatedly pops up

At every bootup, dialog box pops up and asks to allow updatetask from ask.com. There is no way to always block it and remember the option. I can uninstall the ask toolbar, but that’s not the point. Comodo does not let me remember to always block this program.

D+ is set to sandbox as untrusted.

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Defense±>Computer Security Policy->Blocked Files->Add