It is probably the very first thing you need to check. There could be times when VMware might fail to make your virtual machine up and running due to a glitch or bug. If you have recently updated your ...
I was running Windows XP Pro x64 with SP2. Made a new partition, installed Windows 7 on new partition. On boot, I could pick Windows 7, or older Windows OS (XP Pro x64 SP2, basically Server 2003 SP2).