i have upgraded ubuntu 18.4.4 to 20.4 but i'am wrong to located the grub into /boot/efi partition i can't change it

`sudo apt-get upgrade Reading package lists... Done Building dependency tree
Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] y Setting up grub-efi-amd64-signed (1.142+2.04-1ubuntu26) ... mount: /var/lib/grub/esp: /dev/sdb already mounted or mount point busy. dpkg: error processing package grub-efi-amd64-signed (--configure): installed grub-efi-amd64-signed package post-installation script subprocess returned error exit status 32enter image description here Errors were encountered while processing: grub-efi-amd64-signed E: Sub-process /usr/bin/dpkg returned an error code (1)

can help me to fix this ?

the picture not want to disable /boot/efi when i choose grub install device


Try purging grub and reinstall. Worked for me!

sudo apt-get purge grub\*
sudo apt-get install grub-efi
sudo apt-get autoremove
sudo update-grub

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.