VirtualBox-5.0.0-101573-Win memory error?

[BasilRathbone]

I just installed VirtualBox-5.0.0-101573-Win and am getting a memory error. This VM runs flawlessly under VirtualBox-4.3.16-95972-Win. Anyone else having this issue?

VBox Memory error.jpg (80.22 KiB) Viewed 879 times

Microsoft Windows 7 Home Premium (64 bit) w/SP1 current
(ran KB3024777-amd64 to fix KB 3004394 update)
CPU Intel® Core(TM)2 CPU 6600 @ 2.40GHz
8.00 GB RAM (8.00 GB usable)
GPU GeForce GTX 460 v2 / Driver Version 353.30 (6/22/2015)
Current Resolution 3840 X 1080, 60Hz (2 Monitors @ 1920 X 1080, 60Hz)

Actual Multiple Monitors v8.2.1
No antivirus other than Microsoft Security Essentials
No firewall software other than Microsoft Firewall