Virtualbox 4.3 only supports 32-bit guests

[akertis]

I have an optiplex 990 with the latest bios and virtualization enabled in the bios but VirtualBox will not work with 64 bit guests.

C:\Program Files\Oracle\VirtualBox>VBoxManage.exe showvminfo "Windows 7 Pro x64"

--details

Name: Windows 7 Pro x64 Groups: / Guest OS: Windows 7 UUID: 36be8f72-a364-4e60-81bd-69a500866391 Config file: C:\Users\VirtualBox VMs\Windows 7 Pro x64\Windows 7 Pro

x64.vbox

Snapshot folder: C:\Users\VirtualBox VMs\Windows 7 Pro x64\Snapshots Log folder: C:\Users\VirtualBox VMs\Windows 7 Pro x64\Logs Hardware UUID: 00000000-0000-0000-0000-000000000000 Memory size: 512MB Page Fusion: off VRAM size: 27MB CPU exec cap: 100% HPET: off Chipset: piix3 Firmware: BIOS Number of CPUs: 1 PAE: off Long Mode: off Synthetic CPU: off CPUID overrides: None Boot menu mode: message and menu Boot Device (1): Floppy Boot Device (2): DVD Boot Device (3): HardDisk Boot Device (4): Not Assigned ACPI: on IOAPIC: on Time offset: 0ms RTC: local time Hardw. virt.ext: on Nested Paging: on Large Pages: on VT-x VPID: on VT-x unr. exec.: on State: powered off (since 2013-10-16T19:35:31.212000000) Monitor count: 1 3D Acceleration: off 2D Video Acceleration: off Teleporter Enabled: off Teleporter Port: 0 Teleporter Address: Teleporter Password: Tracing Enabled: off Allow Tracing to Access VM: off Tracing Configuration: Autostart Enabled: off Autostart Delay: 0 Default Frontend: Storage Controller Name (0): IDE Storage Controller Type (0): PIIX4 Storage Controller Instance Number (0): 0 Storage Controller Max Port Count (0): 2 Storage Controller Port Count (0): 2 Storage Controller Bootable (0): on Storage Controller Name (1): SATA Storage Controller Type (1): IntelAhci Storage Controller Instance Number (1): 0 Storage Controller Max Port Count (1): 30 Storage Controller Port Count (1): 1 Storage Controller Bootable (1): on IDE (1, 0): C:\Users\Downloads\en_windows_7_professional_with_sp1_x64_dv d_u_676939.iso (UUID: ac6a67e0-a356-46fe-84ce-b044f5451b5c) SATA (0, 0): C:\Users\VirtualBox VMs\Windows 7 Pro x64\Windows 7 Pro x64 .vdi (UUID: 25010c27-a29e-4215-afa7-91f9d7eaedd7) NIC 1: MAC: 080027E4ED27, Attachment: NAT, Cable connected: on, Trace:

off (file: none), Type: 82540EM, Reported speed: 0 Mbps, Boot priority: 0, Prom

isc Policy: deny, Bandwidth group: none NIC 1 Settings: MTU: 0, Socket (send: 64, receive: 64), TCP Window (send:64, re ceive: 64) NIC 2: disabled NIC 3: disabled NIC 4: disabled NIC 5: disabled NIC 6: disabled NIC 7: disabled NIC 8: disabled Pointing Device: USB Tablet Keyboard Device: PS/2 Keyboard UART 1: disabled UART 2: disabled LPT 1: disabled LPT 2: disabled Audio: enabled (Driver: DSOUND, Controller: HDA) Clipboard Mode: disabled Drag'n'drop Mode: disabled VRDE: disabled USB: enabled EHCI: enabled

USB Device Filters:

<none>

Available remote USB devices:

<none>

Currently Attached USB Devices:

<none>

Bandwidth groups: <none>

Shared folders: <none>

VRDE Connection: not active Clients so far: 0

Video capturing: not active Capture screens: 0 Capture file: C:\Users\VirtualBox VMs\Windows 7 Pro x64\Windows 7 Pro x64.webm Capture dimensions: 1024x768 Capture rate: 512 kbps Capture FPS: 25

Guest:

Configured memory balloon size: 0 MB

[akertis]

Guest log