id summary reporter owner description type status component version resolution keywords cc guest host 9258 WIndows 7 does not support guest with 3GB of more of memory. Ed Silva I have installed windows 7 64bit in a laptop with 8GB of RAM and 500GB hard disk. I imported a guest from a SUSE SLES10 SP3 server into the windows 7 laptop. The guest will crash within minutes if 3GB or more are given to it. The same image does not crashes in the original host. defect closed other VirtualBox 4.1.0 duplicate esilva@… Linux Windows