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Procedure Entry Point Not Found

asked 2019-07-20 15:06:56 +0000

When I launch Wireshark by opening a pcap file, I get this error: Procedure entry point PacketGetMonitorMode could not be located in the DLL C:\Windows|System32|Npcap\wpcap.dll

The wpcap.dll file is indeed present and where is should be.

However, Wireshark does proceed to open with the file anyway.

??? Thanks

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Can you provide complete Wireshark Help -> About Wireshark information?

cmaynard gravatar imagecmaynard ( 2019-07-20 15:43:40 +0000 )edit

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answered 2019-07-20 15:45:11 +0000

grahamb gravatar image

Not entirely certain what's gone wrong there, but I would suggest the following as a recovery:

  1. Close all running Wireshark instances, and anything else that might be using npcap (e.g. nmap), even better to reboot.
  2. Uninstall any installations of npcap and WinPcap you find in the list of installed applications.
  3. Reboot.
  4. Ensure there are no installations of npcap or WinPcap left in the list of installed applications, if any found, repeat from step 2.
  5. Install the latest npcap from their website, currently 0.996.
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Asked: 2019-07-20 15:06:56 +0000

Seen: 218 times

Last updated: Jul 20