Windows or mac? If windows, the path I used to check mine was c:Users(AccountName)AppDataRoamingQueue Manager11 was the only place I could find it. I even checked the registry to see if it was stored there somehow (it is not, at least on my machine).

Maybe reinstall que manager? Should be version 11.1.0.34764

Sorry couldn't be of better help.

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Consider me insane if you wish, but is your reality any better?