Need root help please.

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http://androidforums.com – I am using SuperOneClick v2.3.3.0 on my laptop to root my android atrix. I'm not sure if its the Atrix 2 or what, but i have the fingerprint reader on the top. System Version: 4.5.141.MB860.ATT.en.US Model Number: MB860 Android Version: 2.3.6 Kernel Version: a21146@zch45lnxdroid55 #2 Build Number: 4.5.141 I have a screen shot of the error and I don't know what to do, I would greatly appreciate the help guys. Unable to load DLL 'DIFxAPI.dll': The specified module could not be found. (Exception from HRESULT:0x8007007E) (General)