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Multibeast 10.2, Copy of 'apfs.efi' failed

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Apr 9, 2012
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Motherboard
GA-H270M-DS3H
CPU
Intel Core i3-7100 Box, LGA1151, HD 630
Graphics
Intel HD630 (CPU), NVIDIA GT 710
Mac
  1. iMac
Mobile Phone
  1. Android
I tried Multibeast 10.2 on a High Sierra 10.13.1 installation.
Motherboard: ASUS H81M-PLUS
CPU: Intel Core i3-4330 Box, LGA1150, HD4600 Grafik Haswell
RAM: 8 GB
Type: iMac 14,2
Multibeast setup file is attached: Multibeast102_H81M_HSierra.mb

Result: The installation failed.
Multibeast.log:
12/31/17 18:52:37 - Starting MultiBeast 10.2.0-20171217
12/31/17 18:56:15 - Installing 'Bootloaders > Clover UEFI Boot Mode'
12/31/17 18:56:18 - Installing 'BootVolume'
12/31/17 18:56:19 - Copying 'apfs.efi'
12/31/17 18:56:19 - Copy of 'apfs.efi' failed.
'Failed copying apfs.efi'. Exiting.

It would be nice to mention in the failure window the path to Multibeast.log:
see ~/Library/Logs/Multibeast.log

What can I do, to avoid this error?
 

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  • Multibeast102_H81M_HSierra.mb
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I'm also getting this same error with multicast 10.2 when trying to re-install the ALC Realtek drivers after updating to high Sierra.

I also have my system definitions set to iMac 14,2

Should I not even try to re-boot at this point since the installation failed?
 
i am getting the same error.
 
I had the same issue, turns out I had the EFI partition mounted already.
I unmounted the EFI partition and it worked fine.

Thanks dijitaltrix!!
I have the EFI partition mounted too and Multibeast don't work!
Unmounted partition and all works fine.
 
Also thanks dijitaltrix!

un mounting the EFI partition allows multi beast to succeed!
 
how to unmounting EFI partition ? I don't have any EFI partition ,but same problem.
 
I'm getting the failure on the apfs.efi as well. Yes, I had EFI mounted (for some reason?) so I unmounted it. Now when I run Multibeast, It fails at the "Installing 'BootVolume' step (the step just before it was failing at "Copying 'apfs.efi' (as shown in the OP).
 
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