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

[paul]

also affects me. clean install of ubuntu 14.04 onto a small 32 gig SSD with home partition on a 3TB drive and win7 on another 1TB drive.
install done with a usb stick. i didn't bother using the ubuntu "make a startup disk" tool. just used dd to write the iso onto the usb stick.
unity appeared/loaded ok on first boot where i installed the fglrx-updates package for my AMD graphics chip. 
had problems on second and subsequent boots of error message on boot of "error: malformed file, press any key to continue". as i selected auto login during install the desktop appears but not the unity toolbar/dashboard, etc leaving it pretty unusable.
i can still get to other tty screens with ctrl+alt+F2 and i tried purging fglrx-updates and replaced it with fglrx. no dice. same problem. i purged unity and replaced with gnome and gdm. lots of system error popup messages. still not usable.

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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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