I am running VMware Workstation 6.1.5 (build-126130) on CentOS 5.3 (Final).
One of the guest machines is reporting an error when I try to power on the most recent snapshot. Snapshots further back in the timeline will power on without any problem.
Error: Unable to change virtual machine power state: Cannot find a valid peer process to connect to.
Others have been reporting this problem since at least early 2005. The forums say to delete unused lock files and restart any hung VMware processes (or restart the host machine), which I have done.
Still no luck. Any other ideas?