Can't bootUbuntu 64-bit using Virtual Box on host Windows 7 64-bit
25756
Cannot install Ubuntu in VirtualBox due to "this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot" error
62018
After upgrade of Virtual Box, kernel sources are missing
17640
Fix broken Windows 7 boot loader
15124
Can't boot Ubuntu or Windows 8 after Ubuntu 64-bit install on Samsung series 7 Windows 8 laptop, error "All boot options are tried."
89530
I am unable to open virtualbox
143853
How to install VirtualBox from command line?
127342
How do I boot into single-user mode from GRUB?
29633
AMD-V is not enabled in VirtualBox on AMD APU
28554
virtualbox crash on kernel 4.13.0-26
78671
Cannot install virtualbox extension pack
60850
Can I install the 64 bit version?
7745
Dual boot UEFI Windows 7 and Ubuntu 12.04 (both 64 bits). W7 entry doesn't appear in GRUB
59611
VirtualBox - 64 bit OS on a 32 bit host - Pros and Cons
17225
Can I use virtualbox with a 64 Bit image in a 32 bit host
70149
Is it possible to boot Ubuntu using the Windows bootloader?
139647
Do I Need Linux Drivers For Virtual Box?
53177
VirtualBox only allowing 32 bit OS