... you mentioned after starting your PC - it may be the file does something at boot that your AV/Firewall does not like
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... you mentioned after starting your PC - it may be the file does something at boot that your AV/Firewall does not like
so it's a mystery.... it's not unknown for AV/Firewalls to tailor their installation defaults in a machine specific way but like you say we shall see :)
maybe it is an installation/update error as you also mentioned; without examining the computer, difficult to say at this stage