Hi zhijun, You may refer to the following link firstly: http://libvirt.org/windows.html Sorry, I haven't a Windows 7 (64-bit) on my hand, so can't try it now, but you may provide more debugger information then libvirt developers will help you resolve it if it's a issue. -- Regards, Alex ----- Original Message ----- From: "zhijun liu" <lzjun567(a)gmail.com&gt; To: libvirt-users(a)redhat.com Sent: Thursday, August 2, 2012 11:25:19 AM Subject: [libvirt-users] libvirt windows error hi,all,I install the libvirt windows version ,now i type "virsh" in cmd env:windows7 (ip:192.168.0.15) the error is : info : libvirt version: 0.8.8 error : vboxLookupVersionInRegistry:401 : Could not parse version number from '%VER%' what's problem.thanks advance!!! _______________________________________________ libvirt-users mailing list libvirt-users(a)redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users