[ubuntu] Ubuntu will not run on any version of vbox later than 4.2.16

So for the last month or so I have been trying to figure out why I've been unable to run Ubuntu on virtualbox on my win7 host machine. Here is a video of the issue https://www.youtube.com/watch?v=aBVw...ature=youtu.be . After trying many older versions of virtualbox I finally found 4.2.16 to work. This problem does not matter which version of Ubuntu I've tried (12.04,14.02,14.04,15.04,and 15.10) both 32 and 64bit. I have an AMD FX6300 processor, ATI HD7750 video card, 8gb ram. Looking at some of the version change logs I cant really determine what changed that could cause this issue. Any help?

Snapshot of system:

General
Name:Ubuntu
OS Type: Ubuntu (64 bit)
System Base Memory: 5048 MB
Processor(s):6
Execution Cap: 100%
Boot Order: CD/DVD-ROM, Hard Disk
VT-x/AMD-V: Enabled
Nested Paging: Enabled
Display Video Memory: 256 MB
3D Acceleration: Enabled
2D Video Acceleration: Disabled
Remote Desktop Server: Disabled
Storage Controller: IDE
IDE Primary Master (CD/DVD): ubuntu-14.04.3-desktop-amd64.iso (1006.00 MB)
Controller: SATA
SATA Port 1: Ubuntu64.vdi (Normal, 82.04 GB)
Audio Host Driver: Windows DirectSound Controller: ICH AC97
Network Adapter 1: Intel PRO/1000 MT Desktop (Bridged adapter, Realtek PCIe GBE Family Controller)
Serial Ports
Disabled
USB Device Filters: 0 (0 active)
Shared Folders
None