I'm looking for solution for this problem. Please help me out

Failed to open a session for the virtual machine nsis.

Failed to load R0 module A:/VMMR0.r0: The path is not clean of leading double slashes: 'A:/VMMR0.r0' (VERR_SUPLIB_PATH_NOT_CLEAN).

Failed to load VMMR0.r0 (VERR_SUPLIB_PATH_NOT_CLEAN).

Result Code: E_FAIL (0x80004005) Component: ConsoleWrap Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}