Hi don’t know if this helps you but I had a similar problem but with windows 8.1 on ubuntu 64bit
google found me a post which had a fix "c:\Program Files\Oracle\VirtualBox\VBoxManage.exe" setextradata [vmname] VBoxInternal/CPUM/CMPXCHG16B 1 which fixed my issue naturally I converted the command to linux Michael On 09/02/14 11:43, Tom Browder wrote: > Just yesterday I upgraded to VB 4.3.6 on my Win XP (not used often) > and tried to install the latest Deb 7 for amd64 and the install kept > failing. > > When I used the advanced install I was informed that I was using an > amd64 disk for a 32-bit cpu (my host is 64-bit). > > I have always used the latest VB on that host and have installed > Debian 7 amd64 many times successfully in previous versions of VB. > > Does anyone have an idea where the problem may lay? > > (I have not tried downgrading VB yet. I did try both the netinst and > full-up iso versions from Debian--both failed.) > > Best regards, > > -Tom > > ------------------------------------------------------------------------------ > Managing the Performance of Cloud-Based Applications > Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. > Read the Whitepaper. > http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk > _______________________________________________ > VBox-users-community mailing list > VBox-users-community@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/vbox-users-community > _______________________________________________ > Unsubscribe: > mailto:vbox-users-community-requ...@lists.sourceforge.net?subject=unsubscribe ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk _______________________________________________ VBox-users-community mailing list VBox-users-community@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/vbox-users-community _______________________________________________ Unsubscribe: mailto:vbox-users-community-requ...@lists.sourceforge.net?subject=unsubscribe