x ubuntu: Can't create '\\\\?\\C:\\Users\\orikan\\.vagrant.d\\tmp\\vagrant-box-add-temp-20170330-9464-1giccdn\\ubuntu'

x install/netboot/pxelinux.0: Can't create '\\\\?\\C:\\Users\\orikan\\.vagrant.d\\tmp\\vagrant-box-add-temp-20170330-9464-1giccdn\\install\\netboot\\pxelinux.0'

x .disk/base_installable

x isolinux/hi.hlp

x dists/stable: Can't create '\\\\?\\C:\\Users\\orikan\\.vagrant.d\\tmp\\vagrant-box-add-temp-20170330-9464-1giccdn\\dists\\stable'

x install/netboot/pxelinux.cfg: Can't create '\\\\?\\C:\\Users\\orikan\\.vagrant.d\\tmp\\vagrant-box-add-temp-20170330-9464-1giccdn\\install\\netboot\\pxelinux.cfg'

x install/netboot/ubuntu-installer/amd64/pxelinux.cfg/default: Can't create '\\\\?\\C:\\Users\\orikan\\.vagrant.d\\tmp\\vagrant-box-add-temp-20170330-9464-1giccdn\\install\\netboot\\ubuntu-installer\\amd64\\pxelinux.cfg\\default'

x dists/unstable: Can't create '\\\\?\\C:\\Users\\orikan\\.vagrant.d\\tmp\\vagrant-box-add-temp-20170330-9464-1giccdn\\dists\\unstable'

bsdtar.EXE: Error exit delayed from previous errors.

vagrant版本是1.9.3 

virtualbox版本是5.1.18

这个报错什么意思啊，我好绝望啊。各种问题。。