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I have a Dell laptop with Windows XP and Ubuntu 11.04 OS installed. I did some security updates and scans on Windows XP last night and now when I try to boot up Ubuntu 11.04 I receive the following error message:

GNU Grub version 1.99~rc1-13ubuntu3

Minimal Bash-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists possible, device or file completions.

grub>

Below is the results from the RESULTS.txt document.

Boot Info Script 0.60 from 17 May 2011

============================= Boot Info Summary: ===============================

=> Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 of
the same hard drive for core.img. core.img is at this location and looks
for (,msdos6)/boot/grub on this drive.

sda1: __________________________________________________________________________

File system: vfat
Boot sector type: Dell Utility: FAT16
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /DELLBIO.BIN /DELLRMK.BIN /COMMAND.COM

sda2: __________________________________________________________________________

File system: ntfs
Boot sector type: Windows XP
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows XP
Boot files: /boot.ini /ntldr /NTDETECT.COM /wubildr
/ubuntu/winboot/wubildr /wubildr.mbr
/ubuntu/winboot/wubildr.mbr

sda3: __________________________________________________________________________

File system: Extended Partition
Boot sector type: Unknown
Boot sector info:

sda5: __________________________________________________________________________

File system: vfat
Boot sector type: Windows XP: FAT32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows XP
Boot files: /boot.ini /bootmgr /ntldr /NTDETECT.COM

sda6: __________________________________________________________________________

File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 11.04
Boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img

sda7: __________________________________________________________________________

File system: swap
Boot sector type: -
Boot sector info:

============================ Drive/Partition Info: =============================

Drive: sda _____________________________________________________________________

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

Partition Boot Start Sector End Sector # of Sectors Id System

/dev/sda1 63 160,649 160,587 de Dell Utility
/dev/sda2 * 160,650 200,730,127 200,569,478 7 NTFS / exFAT / HPFS
/dev/sda3 200,730,622 312,576,704 111,846,083 f W95 Extended (LBA)
/dev/sda5 307,339,578 312,576,704 5,237,127 dd Dell Media Direct
/dev/sda6 200,730,624 305,248,255 104,517,632 83 Linux
/dev/sda7 305,250,304 307,339,263 2,088,960 82 Linux swap / Solaris

"blkid" output: ________________________________________________________________

Device UUID TYPE LABEL

/dev/sda1 07D7-0B0F vfat DellUtility
/dev/sda2 1E6CDB306CDB0207 ntfs
/dev/sda5 07D7-0B0F vfat MEDIADIRECT
/dev/sda6 28f6c7a8-7cf4-4442-9507-f9928621ed23 ext4
/dev/sda7 081af27c-ca58-453e-8219-222dc6d96665 swap

================================ Mount points: =================================

Device Mount_Point Type Options

/dev/sda2 /media/1E6CDB306CDB0207 fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_permissions)
/dev/sda6 / ext4 (rw,errors=remount-ro,commit=0)

================================ sda2/boot.ini: ================================

--------------------------------------------------------------------------------
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(2)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="Microsoft Windows XP Professional" /noexecute=optin /fastdetect
C:\wubildr.mbr = "Ubuntu"
--------------------------------------------------------------------------------

================================ sda5/boot.ini: ================================

--------------------------------------------------------------------------------
[boot loader]
timeout=0
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Embedded" /fastdetect /KERNEL=NTOSBOOT.EXE /maxmem=768--------------------------------------------------------------------------------

=========================== sda6/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi

function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}

function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}

function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}

insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root 28f6c7a8-7cf4-4442-9507-f9928621ed23
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root 28f6c7a8-7cf4-4442-9507-f9928621ed23
set locale_dir=($root)/boot/grub/locale
set lang=en_US
insmod gettext
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
if [ ${recordfail} != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "$linux_gfx_mode" != "text" ]; then load_video; fi
menuentry 'Ubuntu, with Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root 28f6c7a8-7cf4-4442-9507-f9928621ed23
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=28f6c7a8-7cf4-4442-9507-f9928621ed23 ro quiet splash vt.handoff=7
initrd /boot/initrd.img-2.6.38-8-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-8-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root 28f6c7a8-7cf4-4442-9507-f9928621ed23
echo 'Loading Linux 2.6.38-8-generic ...'
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=28f6c7a8-7cf4-4442-9507-f9928621ed23 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.38-8-generic
}
### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root 28f6c7a8-7cf4-4442-9507-f9928621ed23
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos6)'
search --no-floppy --fs-uuid --set=root 28f6c7a8-7cf4-4442-9507-f9928621ed23
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Microsoft Windows XP Professional (on /dev/sda2)" --class windows --class os {
insmod part_msdos
insmod ntfs
set root='(/dev/sda,msdos2)'
search --no-floppy --fs-uuid --set=root 1E6CDB306CDB0207
drivemap -s (hd0) ${root}
chainloader +1
}
menuentry "Microsoft Windows XP Embedded (on /dev/sda5)" --class windows --class os {
insmod part_msdos
insmod fat
set root='(/dev/sda,msdos5)'
search --no-floppy --fs-uuid --set=root 07d7-0b0f
drivemap -s (hd0) ${root}
chainloader +1
}
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------

=============================== sda6/etc/fstab: ================================

--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sda6 during installation
UUID=28f6c7a8-7cf4-4442-9507-f9928621ed23 / ext4 errors=remount-ro 0 1
# swap was on /dev/sda7 during installation
UUID=081af27c-ca58-453e-8219-222dc6d96665 none swap sw 0 0
--------------------------------------------------------------------------------

=================== sda6: Location of files loaded by Grub: ====================

GiB - GB File Fragment(s)

97.914451599 = 105.134841856 boot/grub/core.img 1
109.888065338 = 117.991411712 boot/grub/grub.cfg 1
114.989257812 = 123.468775424 boot/initrd.img-2.6.38-8-generic 2
97.848121643 = 105.063620608 boot/vmlinuz-2.6.38-8-generic 1
114.989257812 = 123.468775424 initrd.img 2
97.848121643 = 105.063620608 vmlinuz 1

======================== Unknown MBRs/Boot Sectors/etc: ========================

Unknown BootLoader on sda3

00000000 e8 3a e3 ff ff a1 44 83 b4 6f 8b 4d 08 85 c9 74 |.:....D..o.M...t|
00000010 06 0f bf 79 3a eb 02 33 ff 3b c6 74 1b f6 40 1c |...y:..3.;.t..@.|
00000020 01 74 15 80 78 19 05 72 0f 57 53 6a 64 ff 70 14 |.t..x..r.WSjd.p.|
00000030 ff 70 10 e8 35 e4 ff ff 8b c7 5f 5e 5b 5d c2 04 |.p..5....._^[]..|
00000040 00 cc cc cc cc cc 8b ff 55 8b ec 53 56 57 a1 44 |........U..SVW.D|
00000050 83 b4 6f 8b 7d 0c bb 44 83 b4 6f 3b c3 74 24 f6 |..o.}..D..o;.t$.|
00000060 40 1c 01 74 1e 80 78 19 05 72 18 57 68 20 5b b0 |@..t..x..r.Wh [.|
00000070 6f 6a 65 ff 70 14 ff 70 10 e8 ef e3 ff ff a1 44 |oje.p..p.......D|
00000080 83 b4 6f 8b 75 08 85 f6 74 20 83 ff 01 7c 1b 0f |..o.u...t ...|..|
00000090 bf 4e 3a 3b f9 7f 13 e8 02 45 01 00 8b 46 40 8b |.N:;.....E...F@.|
000000a0 74 b8 fc a1 44 83 b4 6f eb 02 33 f6 3b c3 74 19 |t...D..o..3.;.t.|
000000b0 f6 40 1c 01 74 13 80 78 19 05 72 0d 6a 66 ff 70 |.@..t..x..r.jf.p|
000000c0 14 ff 70 10 e8 29 e5 ff ff 5f 8b c6 5e 5b 5d c2 |..p..)..._..^[].|
000000d0 08 00 cc cc cc cc cc 8b ff 55 8b ec 56 57 a1 44 |.........U..VW.D|
000000e0 83 b4 6f 8b 75 0c bf 44 83 b4 6f 3b c7 74 19 f6 |..o.u..D..o;.t..|
000000f0 40 1c 01 74 13 80 78 19 05 72 0d 6a 67 ff 70 14 |@..t..x..r.jg.p.|
00000100 ff 70 10 e8 ea e4 ff ff 8b 45 08 56 e8 da 44 01 |.p.......E.V..D.|
00000110 00 8b f0 a1 44 83 b4 6f 3b c7 74 1f f6 40 1c 01 |....D..o;.t..@..|
00000120 74 19 80 78 19 05 72 13 56 68 20 5b b0 6f 6a 68 |t..x..r.Vh [.ojh|
00000130 ff 70 14 ff 70 10 e8 32 e3 ff ff 5f 8b c6 5e 5d |.p..p..2..._..^]|
00000140 c2 08 00 cc cc cc cc cc 8b ff 55 8b ec 83 e4 f8 |..........U.....|
00000150 51 53 56 57 a1 44 83 b4 6f 3d 44 83 b4 6f 74 1e |QSVW.D..o=D..ot.|
00000160 f6 40 1c 01 74 18 80 78 19 05 72 12 68 20 5b b0 |.@..t..x..r.h [.|
00000170 6f 6a 69 ff 70 14 ff 70 10 e8 c1 e1 ff ff 8b 75 |oji.p..p.......u|
00000180 08 8b 06 8b 40 44 50 89 44 24 10 e8 88 2c 00 00 |....@DP.D$...,..|
00000190 33 c0 33 db 66 3b 46 3a 7d 24 33 ff 8b 46 3c 03 |3.3.f;F:}$3..F<.|
000001a0 c7 50 e8 94 0d 01 00 8b 46 3c 33 c9 41 66 89 4c |.P......F<3.Af.L|
000001b0 38 1c 0f bf 46 3a 43 83 c7 28 3b d8 7c de 00 01 |8...F:C..(;.|...|
000001c0 c1 ff dd fe ff ff 3c b9 5a 06 87 e9 4f 00 00 fe |......<.Z...O...|
000001d0 ff ff 05 fe ff ff 01 00 00 00 01 d0 3a 06 00 00 |............:...|
000001e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
000001f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 aa |..............U.|
00000200

========= Devices which don't seem to have a corresponding hard drive: =========

sdb

=============================== StdErr Messages: ===============================

unlzma: Decoder error