1) Get the last BT4 R1 ISO version
2) Create virtual machine in VMWARE with this ISO (Tested on 7.0.1-227600)
3) After You have starded monitor mode use monX (not wlanX) because it will not works
i thought that's what you normally do, that's the whole idea of having your card in monitor mode in the first place
why wouldn't you use mon0?