[Bug 1311247] Re: error: malformed file, press any key to continue

[Roland65]

I had the same issue on an upgrade from 13.10 to 14.04.

When I did an 'sudo update-grub' I got the following message:

Warning: Setting GRUB_TIMEOUT to a non-zero value when
GRUB_HIDDEN_TIMEOUT is set is no longer supported.

So, in my /etc/default/grub I commented out the line:

GRUB_HIDDEN_TIMEOUT=0

and did another 'sudo update-grub'. The error message was gone and the
bug disappeared after a reboot.

So I think these "malformed file" messages are related to an error in
/etc/default/grub.

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https://bugs.launchpad.net/bugs/1311247

Title:
  error: malformed file, press any key to continue

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  I have just upgraded from 12.04 to 14.04

  Since the upgrade, when I boot up, the process stops and the normal
  grub screen is replaced after a short while by a message saying

  "error: malformed file, press any key to continue"

  Pressing a key allows booting to continue.

  Someone else who experienced this found that the problem went away
  after having re-installed grub.  I tried this but this did not resolve
  the problem for me.

  synaptic reports the grub package as 2.02~beta2-9

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