Windows Phone Emulator error - Couldn't change Processor of the virtual machine

Question

I have VisualStudio 2012 update 4 with Windows 8.1 Premier OS (64 bit). I just created simple windows mobile application from new project option in VS2012 and tried to run. I got the below error message

The Windows Phone Emulator wasn't able to create the virtual machine: Couldn't change Processor of the virtual machine: 'Emulator WVGA 512MB.admin' failed to modify device 'Processor'. (Virtual machien ID #######-#####-####-######) Cannot assign the specified number of processors for virtual machine 'Emulator WVGA 512MB.admin' is our of range. The range is 1 through 1. (Virtual machine ID #####-#####-######

I am new to windows mobile development. Please explain how can I avoid this error.

Answer 1

This is resolved by altering the process count by 2 in the Hyper-V manager.