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Macrium – W10 – Comodo FW – Issues

HP Recommended
HP 590-p0057na
Microsoft Windows 10 (64-bit)

New PC and new to W10 and Macrium. Tweaking things. For better or worse decided to stay with 1903 initially since everything seemed OK. Delayed installing some available updates not realising that 1909 was optional.


Installed Macrium Reflect and created Bootable PD and System Image.

Created System Image and bootable USB PD using Microsoft own facility.

On selecting - 'Update and Security - Recovery - Advanced Start Up' - PC re-booted as expected and brought up the screen giving the option to boot from a USB PD.


I then uninstalled McAfee and installed Avast AntiVirus and Comodo Firewall.

Updated to 1909.


On selecting the Advanced Start Up Option as previously, the Screen giving option to boot from USB PD did not appear.


After a lot of messing about, since I had forgotten about the F11 option, I restored the Macrium Image I had created immediately after installing Macrium, before the problem arose.


I then repeated the sequence, uninstalling McAfee and installed Avast. On checking, the screen offering the USB PD boot option appeared as normal. I installed Comodo after which the problem arose as before with the screen not being available.


Haven't updated to 1909 which I assume won't change things.


Surprised that installing Comodo has such an effect – any help appreciated or should I just live with it – F11 still works OK

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Sounds like the issue is the COMODO AV product -- and sorry, we have no way of helping you with that.

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