The checkbox for "Enable 3D Acceleration" is deactivated in the VM settings & "Your Direct X driver is corrupt or incorrect" message

[procyon777]

I have Windows XP 32bit as a host OS, and installed Windows 7 64bit as a guest OS. Everything (including AERO) was working fine with VB 4.1.6, but I got the "Your Direct X driver is corrupt or incorrect" problem when I upgrad into VB 4.1.8 and install the Guest Additions. When installing the WDDM driver (not basic direct3D), I keep getting the error message "Your Direct X driver is corrupt or incorrect. The installation cannot continue. For more information please check the VB manual"

I uninstalled all guest editions in safe mode and reinstalled it in safe mode as well, but the problem still exists. The weird thing I noticed is that "the checkbox" for enabling 3D acceleration is deactivated in the VM settings. I can not change any settings for 3D acceleration with VM 4.1.8. 2D acceleration setting is fine. I also have Ubuntu 10.10 VM, and "the checkbox" for 3D acceleration is deactivated for Ubuntu too. It may be a systematic bug of VM 4.1.8 itself, not guest OSes.

Finally reinstalling the VB 4.1.6 solved the problem. Now everything works like a charm with VB 4.1.6.

I have AMD Radeon HD 5750 as a main graphic card, and the latest version (11.12) of AMD Calatyst was installed. My CPU is AMD phenom II x4 965.