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Thread: grub: incompatible license on Win7

  1. #1
    Join Date
    Apr 2011
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    grub: incompatible license on Win7

    I have an Asus UL80vt with a multiboot.

    I recently upgraded to Ubuntu 11.10 from 10.04 (I went through 10.10 and 11.04 as well), and I'm having an issue with the bootloader.

    When I try to get back into Windows 7 I get a "grub: incompatible license grub rescue>" message and I'm not sure what to do, some help would be appreciated.

  2. #2
    Join Date
    May 2007
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    12,372

    Re: grub: incompatible license on Win7

    Don't know what that is specifically, but if you read through the Boot-Repair stuff, you may be able to use it to restore Win7 boot:

    http://ubuntuforums.org/showthread.p...ht=boot-repair
    Ubuntu 14.04, Mint 17; MS Win 8.1.
    Will not respond to PM requests for support -- use the forums.

  3. #3
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    Ubuntu Development Release

    Re: grub: incompatible license on Win7

    Is this after selecting something from the Grub menu or at least before Windows boots?

    If it's before, the incompatible license message often means that you are using mixed Grub versions. For instance, you may have (partially) installed Grub 1.99 on a previous Grub 1.98 version.

    One way to correct this would be to purge Grub 2 completely and reinstall it. It is documented in the 'Chroot' link in my signature line if that is the way you want to go.
    GRUB2

    Retired.

  4. #4
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    Apr 2011
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    Re: grub: incompatible license on Win7

    Yeah I've tried Boot-repair but I still can't get into Windows.

    For the record there's a partition set aside before the main Windows which is like a Windows recovery disk. I tried fixing the mbr but it keeps going to the recovery disk one instead.

    But anyway, yes it's after I select Windows from Grub. I can boot into Ubuntu just fine. I'll try your link.

  5. #5
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    Apr 2011
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    Re: grub: incompatible license on Win7

    Okay I followed those instructions from that link. I restarted my computer but now when I select windows it just loops back to the Grub screen.

  6. #6
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    Jan 2007
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    Re: grub: incompatible license on Win7

    Quote Originally Posted by cjosh View Post
    Okay I followed those instructions from that link. I restarted my computer but now when I select windows it just loops back to the Grub screen.
    It sounds like you have installed Grub on the Windows partition rather than in the MBR. Grub should be installed to the drive but not a specific partition, especially the Windows partition.

    If Ubuntu isn't working:
    If you can still boot Ubuntu, boot to the Desktop and run Boot Repair again. If you can't and have a bootable Boot Repair CD, it can probably restore things. If you were running Boot Repair from the Desktop, can't boot Ubuntu and don't have a Boot Repair CD, try booting the latest Ubuntu CD (that matches the Ubuntu you are trying to run), install Boot Repair and run it from there.

    Again, make sure you install Grub to the booting drive (sda, sdb, etc) and not to a particular partition.

    Here is another site that explains what your situation most probably is.
    http://sourceforge.net/apps/mediawik...ms:Boot_Sector

    Links Added for Windows Repair:
    To repair your Windows partition boot files, you will probably have to run a Windows repair utility.
    oldfred's Window Repair Links
    How to restore the Ubuntu/XP/Vista/7 bootloader (Updated for Ubuntu 11.10)
    Last edited by drs305; January 21st, 2012 at 12:10 PM.
    GRUB2

    Retired.

  7. #7
    Join Date
    Apr 2011
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    14

    Re: grub: incompatible license on Win7

    It turns out that Grub was on Windows too and Testdisk fixed everything. Thank you, much appreciated.

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