I recently managed to get a Microsoft IntelliMouse Explorer 3.0. I downloaded hidusbf to change the polling rate from 125 to 500 Hz.Problem is every time I run the Driver Signature Enforcement Overrider, since I have 64 bit Windows 7, I get an error "windows cannot access the specified device, path or file. You may not have the appropriate permissions to access the item".I have tried running the DSEO as administrator and have also turned off User Account Control as suggested.Since there is only one user on this computer (me) which is the adminstrator account I can't understand what I might be doing wrong.Any help will be appreciated.Thanks in advance.