05-11-2014 03:35 AM - last edited on 05-11-2014 09:47 AM by andyP
05-11-2014 04:55 AM
i have figured it out.
my laptop is not compatible with guest 64-bit OS.
I have checked using this utility - Processor Check for 64-Bit Compatibility
most welcome if anyone still knows a solution to run 64 bit guest os.