OK well the stores are a function of the OS for downloaded software.. I guess you means the certs for various secure website one visits..
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dev.chromium.org/Home/ch ··· a-policy»
www.poweradmin.com/help/ ··· ome.aspx»
superuser.com/questions/ ··· ins-workI think Opera has a Certificaterevocationlistsforssl thing for those cases and found here opera:config#SecurityPrefs|Certificaterevocationlistsforssl