Windows could not complete the installation. To install windows on this computer restart the installation

SHIFT-F10 to bring up command prompt.
cd c:\windows\system32\oobe
msoobe.exe
Make a generic account and password. 
Hit finish (if it requests a product key and you have one, enter it now.  if OEM/No key required, just finish). 
Set time/date. 
Finish.

Boot from grub2 rescue prompt

grub rescue> set prefix=(hd0,1)/boot/grub2
grub rescue> set root=(hd0,1)
grub rescue> insmod normal
grub rescue> normal
grub rescue> insmod linux
grub rescue> linux /boot/vmlinuz root=/dev/sda1
grub rescue> initrd /boot/initrd.img
grub rescue> boot

DR/Migrate Sco SysV

1)      Reinstall SCO Base system

2)      Copy /etc/conf to a backup directory (ie: copy –ormv /etc/conf /usr/rcvr/conf)

3)      Remove all contents of /etc/conf (cd /etc/conf && rm –r /etc/conf/*)

4)      Change file creation mask on root filesystem (cd / && umask 0)

5)      Restore tape excluding /dev & /stand (cpio –icvdmufB< /dev/rStp0 “dev/*” “stand/*” )

6)      Copy ttytype & inittab to backup directory (ex: cp /etc/inittab /usr/rcvr/ )

7)      Use SCOadmin to relink the kernel

8)      If asked to rebuild environment answer (y)YES

9)      Put back inittab & ttytype form the backup (ex: cp /usr/rcvr/inittab  /etc/inittab)

     10)     Reboot & have a Beer