That is the question she want to divorce me for adultery (i havent admitted to anything) but hasnt started any proceeding so can I start for UB? but what if she doesn''t agree to it? If she''s reading this forum aswell I''m not to bothered either as she login with the kids passwords to spy on my Facebook account!
Generally it is the spouse who most wants the divorce, that should be Petitioner.
If no papers have been filed with court then yes you can Petition if you like.
If she does not agree to the UB then it does not matter. You do not need her permission or cooperation to get a divorce based on UB. If she will not sign the papers then you can have them served and the divorce can proceed without her signature.