Your EFI system partition is corrupt; you will need to repair it with
either dosfsck or Windows chkdsk/scandisk.
** Changed in: grub-installer (Ubuntu)
Status: New => Invalid
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whenever the process failed a bug report is created to send to developer but i
cannot able to either copy or save it in my laptop. There are two files saved
in my laptop ubuntu Desktop automatically may be it will help you.
I have just started linux and started my career as a perl developer