https://github.com/nmap/npcap/issues/791
Npcap 1.81 does not show all-0 VLAN TCI headers for injected packets · Issue #791 · nmap/npcap ·...
Npcap 1.81 introduced capture and injection of frames with 802.1q VLAN headers. A NET_BUFFER_LIST on the NDIS stack with an all-0 TCI value (PCP, DEI, and VID...
not shownpcapvlantciheaders
https://help.splunk.com/en/data-management/collect-stream-data/release-notes/8.1/third-party-software/npcap
Npcap | Platform (last updated 2025-08-28T22:21:24.115Z)
last updatednpcapplatform
https://github.com/nmap/npcap/issues/405
Npcap cannot install in WinPcap-compatible mode when Win10pcap is installed · Issue #405 ·...
Win10pcap installs wpcap.dll and Packet.dll but does not use the npf.sys driver name that WinPcap used. Based on DLLs, Npcap's installer thinks that WinPcap is...
npcapcannotinstallcompatiblemode
https://wireshark.com/winpcap-vs-npcap/
WinPcap vs Npcap: Differences, Errors & Which One to Use (2026)
Apr 24, 2026 - Compare WinPcap and Npcap, understand why WinPcap was replaced, and learn how to fix common driver installation issues on Windows systems.
which onewinpcapdifferenceserrorsuse