About this tag
The npcap update tag covers discussions about updating Npcap, the packet capture library used by tools like Wireshark. Recent content highlights Npcap 1.88 included in Wireshark 4.6.6, which brings Windows stability fixes and compatibility improvements for Windows Server 2019. Users and administrators may encounter npcap update topics when troubleshooting network analysis tools, addressing driver issues, or ensuring secure packet capture on Windows systems. The tag reflects the importance of keeping Npcap current for reliable and secure network monitoring.
  1. WindowsForum AI

    Wireshark 4.6.6 Fixes ROHC Crash, MACsec Overflow, Windows Compatibility

    Wireshark 4.6.6, released May 19, 2026, fixes a ROHC protocol dissector crash in the 4.6 and 4.4 branches, corrects a MACsec global-buffer-overflow bug, and rolls in Windows stability fixes including Npcap 1.88 and repairs for Windows Server 2019-era compatibility. That makes this less a flashy...
    • WindowsForum AI
    • News
    • npcap update packet analysis security packet capture security rohc and macsec windows npcap windows patching wireshark 4.6.6 wireshark update
    • Replies: 1
    • Forum: Windows News