Cannot run sudo update-grub “failed to get canonical path of /cow” [duplicate]

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  • Unable to boot into Windows after installing Ubuntu, how to fix?

    18 answers



  • Failed to get canonical path of /cow

    5 answers



Since I have installed Ubuntu on my USB I cannot find Windows in GRUB or in BIOS any more. I tried to command in terminal



sudo update-grub


but it fails. This error comes:



/usr/sbin/grub-probe: error: failed to get canonical path of `/cow'.


Can anyone help me to bring Windows back?










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marked as duplicate by Byte Commander, mikewhatever, karel, Zanna, Fabby Apr 19 at 15:48


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.


















    up vote
    0
    down vote

    favorite













    This question already has an answer here:



    • Unable to boot into Windows after installing Ubuntu, how to fix?

      18 answers



    • Failed to get canonical path of /cow

      5 answers



    Since I have installed Ubuntu on my USB I cannot find Windows in GRUB or in BIOS any more. I tried to command in terminal



    sudo update-grub


    but it fails. This error comes:



    /usr/sbin/grub-probe: error: failed to get canonical path of `/cow'.


    Can anyone help me to bring Windows back?










    share|improve this question















    marked as duplicate by Byte Commander, mikewhatever, karel, Zanna, Fabby Apr 19 at 15:48


    This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite












      This question already has an answer here:



      • Unable to boot into Windows after installing Ubuntu, how to fix?

        18 answers



      • Failed to get canonical path of /cow

        5 answers



      Since I have installed Ubuntu on my USB I cannot find Windows in GRUB or in BIOS any more. I tried to command in terminal



      sudo update-grub


      but it fails. This error comes:



      /usr/sbin/grub-probe: error: failed to get canonical path of `/cow'.


      Can anyone help me to bring Windows back?










      share|improve this question
















      This question already has an answer here:



      • Unable to boot into Windows after installing Ubuntu, how to fix?

        18 answers



      • Failed to get canonical path of /cow

        5 answers



      Since I have installed Ubuntu on my USB I cannot find Windows in GRUB or in BIOS any more. I tried to command in terminal



      sudo update-grub


      but it fails. This error comes:



      /usr/sbin/grub-probe: error: failed to get canonical path of `/cow'.


      Can anyone help me to bring Windows back?





      This question already has an answer here:



      • Unable to boot into Windows after installing Ubuntu, how to fix?

        18 answers



      • Failed to get canonical path of /cow

        5 answers







      dual-boot grub2






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      share|improve this question













      share|improve this question




      share|improve this question








      edited Apr 18 at 9:52









      Zanna

      48k13119227




      48k13119227










      asked Apr 18 at 9:37









      Zafar Momtaz

      11




      11




      marked as duplicate by Byte Commander, mikewhatever, karel, Zanna, Fabby Apr 19 at 15:48


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.






      marked as duplicate by Byte Commander, mikewhatever, karel, Zanna, Fabby Apr 19 at 15:48


      This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.



























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