[Bug 1061255] Re: GRUB recognizes defunct LDM headers

[João Rossa]

Here's my boot-repair url :

http://paste.ubuntu.com/1390468/

I keep having trouble launching Windows 7 from the grub. I get the "A disk Error Occurred. Press ctrl alt del to restart". 
The ubuntu team said it was this bug, Can anyone confirm? Do i need to recover windows 7 boot first before using the workarounds?

regards,

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https://bugs.launchpad.net/bugs/1061255

Title:
  GRUB recognizes defunct LDM headers

Status in “grub2” package in Ubuntu:
  Triaged

Bug description:
  GRUB recognizes stale LDM headers left on the disk after reformatting
  without LDM.  This causes grub to complain either that embedding is
  not possible, and/or to incorrectly use the ldm partition module
  instead of msdos.

  - This bug affect GRUB2.00 (default bootloader of Ubuntu12.10).
  - This bug completely breaks access to any operating system, either when installing a fresh 12.10, or when upgrading from 12.04 to 12.10.

  ********************
  WORKAROUND:
  Use Boot-Repair ( https://help.ubuntu.com/community/Boot-Repair ) from liveCD to replace GRUB2 by GRUB Legacy: run Boot-Repair --> Advanced options --> GRUB options tab --> tick "GRUB Legacy" --> Apply
  ********************

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