It’s pointing to be something with that USB stick that you are using. Here’s what I would try next:
- Use GParted to delete the partition
- Create a new Partition and format the filesystem to FAT32
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always the same I even did that with my other 2 usb sticks but I have some doubts my grub looks unsual with 2 more options can be found in that photo I took here.
Hi @Amr.Magdy,
go to this section "Part 4: Create a UEFI boot partition. + swap + root + home partitions." in the partition guide and read through all the links provided:
That solved it THANKS !! the problem was with DISKS restoring images it changes the file system of the usb but I did what you suggested and extracted the iso file manually and it finally worked thank you guys for giving such a help all of you 
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