In a Windows virtual machine, the desktop toolbar or Device Manager shows a yellow circle with exclamation mark (yellow bang) indicating a device problem. This might indicate that the VMware VMCI (virtual machine communication interface) Bus Device driver is missing. The incomplete VMCI device might be displayed in the Other Devices section of Device Manager as the Base System Device, a generic Windows name.
In a Windows virtual machine, the desktop toolbar or Device Manager shows a yellow circle with exclamation mark (yellow bang) indicating a device problem. This might indicate that the VMware VMCI (virtual machine communication interface) Bus Device driver is missing. The incomplete VMCI device might be displayed in the Other Devices section of Device Manager as the Base System Device, a generic Windows name.