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This is Windows, and 109 is ERROR_BROKEN_PIPE.

That error message means that a call to WinPcap's and Npcap's PacketOpenAdapter() from within WinPcap/Npcap returned a null pointer, with the last error code being ERROR_BROKEN_PIPE.

This does not appear to be anything explicitly returned by anything in Npcap, so it's probably some Windows call within Npcap failing, with the last error code being ERROR_BROKEN_PIPE.

This should probably be reported as an Npcap issue on the Npcap issues list. Please show the version information from Help -> About Wireshark; you can select the text, copy it with control-C, and paste it into the issue.