Zorin OS 17.2 - Cannot Boot - System Error

Maybe that is the Reason for the 2 Entries and why one is working and the other not. The first Screen seems to be the Boot Menu from Your BIOS I guess. So, there You choose what Entry should boot. And then comes the Grub.

If that does not work, from within Zorin, open a terminal and run

sudo efibootmgr

You can then note the number for that entry and remove it.
https://www.tecporto.pt/wiki/index.php/Removing_an_entry_from_the_UEFI_boot_list_(Linux)

Thanks for your response.

Thanks for your response.
Followed the linked instruction. No change happened in the system.

PC restart.

PC restart.

Please advise.

In that case, you are likely seeing the shim, \EFI\ubuntu\shimx64.efi, which should be left.

Thanks for your response.
Does this mean that the two Ubuntu options will have to stay in my
F12 Boot Menu options?

Well, the software can tell us if it is a duplicate or a shim:

sudo efibootmgr -v

please relay the output here.

Thanks for your response.
Attached is the screen shot of the CLI. Two Ubuntu entries are displayed.

That shows that both are Shim;, so one can be removed.
In terminal, check which is your current used boot

efibootmgr | grep BootCurrent

From that, you can see which one is the one to keep.
Then you can use sudo efibootmgr -b 1 -B or sudo efibootmgr -b 2 -B to remove the redundant, depending on which entry gets the chop.

Thanks for your response.
Entered the commands in CLI. The Ubuntu 0001 option is not removed.
What am I doing wrong?

PC restart

Please advise.

You didn't do anything wrong, that was exactly right. There must be some files elsewhere that are causing the old version to reappear.
I did this process only starting from Windows so far and not from Linux, so I am not sure. Please wait for advice from a more experienced expert.
What else I have found that you could try:
Run "sudo efibootmgr -b 1 -B" again. Do not reboot.
Check whether there are several ubuntu entries in the /boot/efi/EFI directory, e.g. with the command
"sudo ls /boot/efi/EFI"
You can delete the entry you no longer need with
"sudo rm -r /boot/efi/EFI/NAME OF ENTRY" (e.g. ubuntu1). Make sure that it is exactly this entry that you no longer need. If there is only one ubuntu entry, do not delete it under any circumstances!
Then execute ‘sudo update-grub’.

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Thanks for your response. I will execute accordingly and revert.

Processed the commands without a restart. See attached results.

Please advise.

I am at a loss. I would have expected to see Microsoft next to BOOT and ubuntu.
You could see which subdirectories ubuntu contains.
Or just try "sudo update-grub" and then reboot to see if the entry is gone now.

Thanks for your response. There are two Linux images on the display. The latest is 57.
See attached display.

Please advise.

Did not reboot to check if the entry is gone.

You can close the terminal and restart.

Thanks for the response.
PC restart. See display attached. Extra Ubuntu not removed.

Please advise.

I'm sorry about that. Unfortunately, I can't help you any further.

Okay, let's take a Look at something. Open the Terminal and type sudo ls /boot/efi/EFI/