Memory corruption from a faulty NIC driver or incompatible hardware. Fix: Update your NIC driver, reduce capture buffer size, or remove WinPcap.
: An interface used to communicate with the driver, providing a way for applications to set capture parameters and retrieve data. WinPcap 4.1.3 for Windows
If you are upgrading to Npcap, the Npcap installer can automatically remove WinPcap for you. Memory corruption from a faulty NIC driver or
Since 2013, the landscape has changed. WinPcap is . Here is a comparison to modern alternatives: reduce capture buffer size
Default is C:\Program Files\WinPcap (or Program Files (x86) on 64-bit). Leave as-is.
Since the original CACE Technologies website is offline, download WinPcap 4.1.3 from a trusted mirror (e.g., WinPcap.org archive or major open-source repositories). Always verify the file hash if possible.