VirtualBox创建虚拟硬盘失败 该如何处理

创建虚拟硬盘 D:\vm\11\11.vdi 失败.

Could not create the medium storage unit ‘D:\vm\11\11.vdi’.

VDI: cannot create image ‘D:\vm\11\11.vdi’ (VERR_ACCESS_DENIED).

返回 代码: VBOX_E_FILE_ERROR (0x80BB0004)
组件: MediumWrap
界面: IMedium {ad47ad09-787b-44ab-b343-a082a3f2dfb1}