![]() You need to check the host OS for CPU utilization. The Mesa driver is 100 software or CPU based graphics. I suggest maxing the video memory to 128mb. That means anything 3D will choke it as the CPU is forced to do the heavy lifting. It just goes black because it just quits drawing the window. Virtualbox along with most virtual products uses a software graphics rendering. It's actually so bad that I can't even load IE properly to load a web page. The rate at which the window draws makes it very unclear though, I know it's normal for stuff to jump around a bit but when you can view it in real time it typically only stays on top for less than a second. svchost.exe and TrustedInstaller.exe and taskmgr.exe itself seem to be on top often. I can't say there's any one process that is using lot of CPU, it jumps around a lot and each time the window manages to refresh it's a different app. ![]() When I manage to get a task manager up, it's hard to make out what's going on as it jitters so much and only updates maybe once every 20 seconds. To get a list of commercially supported guest operating systems of VirtualBox, please follow this link. I gave it like 2GB of ram and 1 CPU, is this maybe not enough? (Page last updated ) This table reflects operating systems which should work with the most recent version of VirtualBox but without any guarantee. Now I would like to run Windows 7-32 bit (Professional) as guest OS in the VirtualBox. I have installed VirtualBox on my laptop, with this I am able to run Windows XP as a guest OS. This is because the virtual machine will actually switch the CPU to 32-bit mode while the guest is running. I am running Ubuntu (Linux OS)-64 bit on my laptop. It depends on the virtual machine software you're using, but with the main ones (such as VMware, VirtualBox and Microsoft VirtualPC/Hypervisor) you won't see any downside to running a 32-bit guest in a 64 bit host on x86/圆4. I can also confirm that Virtual Box Additions 3.1.0 does work, at least in my environment. Windows 7 for running on Virtualbox as guest OS. VBoxService.exe tanks on startup on all my guests. Is there a way to fix this? I usually use XP when I need a windows VM, but it would be nice to use 7. Windows 7-64 host, Windows Server 2008 R2-64 and Windows Server 2003 R2-64 guests. Trying to type something is near impossible. Since supporting 64 bits on 32-bit hosts incurs additional overhead, VirtualBox only enables this support upon explicit request. Something as simple as getting a right click menu takes about a minute just for the menu to show up, moving a window takes several minutes etc. If you want to use 64-bit guest support on a 32-bit host operating system, you must also select a 64-bit operating system for the particular VM. In addition, for 64-bit Windows guests, you should make sure that the VM uses the Intel networking device, since there is no 64-bit driver support. This is especially true for 64-bit Windows VMs. ![]() Is there a way to speed up Windows 7 in a VM? I am trying to use it in Virtualbox but it's completely unusable. On any host, you should enable the I/O APIC for virtual machines that you intend to use in 64-bit mode.
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