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This problem is related to the ACPI settings in the BIOS usually. So if you were installing on a normal computer, I would say go into your bios and disable the "Advanced Configuration and Power Interface"
Here is another article I found related to virtual installs and this error. It's a different product but I think you get the picture: There are a few Windows device drivers that does not play nice on VirtualBox' hardware. Many physical PC systems (and VMware) have a AGP graphics bus which will cause agp440.sys to be installed. VirtualBox' virtual graphics card is on the PCI bus and the driver will cause a system crash. The most correct approach is to boot the recovery console from the Windows installation CD and disable this service. However, it is also possible to just rename/delete agp440.sys the C:\Windows\SYSTEM32\drivers directory. Here is a knowledge base article containing more information: http://support.microsoft.com/kb/324764
I hope this helps lead you to the correct answer!
Is this for XP?
I am going to give you instructions on how to get a Dell XP disk from a torrent site. Use the same instructions. I'll find you a Windows 7 iso in a sec. So follow the same instructions except the link to use and give me 1 minute
How to download Dell XP ISO and copy to a disk1. get utorrent and install it. utorrent can be found at utorrent.com2. http://thepiratebay.se/torrent/4182674/DELL_XP_HOME_SP3.ISOclick that then click the smaller "Get this torrent"3. Download imgburner from DANGEROUS URL REMOVED4. Use Image Burner to burn the iso file to a blank cd5. Now follow these instructions to do a repair install. http://pcsupport.about.com/od/operatingsystems/ss/instxprepair1.htmYou can use this disk to reinstall your Operating System. It will prompt you to put in your code and it will be a legal version again.How to download Dell Vista ISO and copy to a disk1. get utorrent and install it. utorrent can be found at utorrent.com2. http://thepiratebay.se/torrent/4158160/Windows_Vista_Home_Premium_32-bit_Dell_OEM_DVD_-_Unalteredclick that then click the smaller "Get this torrent"3. Download imgburner from DANGEROUS URL REMOVED4. Use Image Burner to burn the iso file to a blank cdYou can use this disk to reinstall your Operating System. It will prompt you to put in your code and it will be a legal version again.
Here's a link:
click "Get this torrent" - DO NOT CLICK THE BIG GREEN DOWNLOAD BUTTON
Follow the rest of the instructions. I hope I have helped you! Please click ACCEPT to give me credit for helping. If you can give me Positive feedback this helps me a lot as well. Thanks and have a great day!