Boot error after updating window 10 creator It is currently using the parallels ver 12.2.1 (41615) version. My system environment Retina 5k, 27 " and Thunderbolt bolt display monitor is being used together. Unable to boot after upgrading to the win10 creators (1703) version. Same symptom is shown in the another same system. It has already been Parallels Tools reinstalled What should I do now?