I'm closing this because I believe it was fixed. The main issue was that Npcap versions 0.78r5 through 0.83 failed to fully uninstall the driver. A somewhat related problem is that later versions of Npcap didn't (until today) overwrite earlier versions of the driver if they already existed...
Found thatC:\Windows\SysWOW64\wpcap.dllandC:\Windows\System32\wpcap.dllis not removed by the npcap uninstaller, which make the npcap installer consider that winpcap is already installed. After delete the 2 files manually, the installer works well. Tested with 0.80->0.81, Win10 x64 15031(The...
Runtime errorsare Wireshark errors that occur during "runtime". Runtime is pretty self-explanatory; it means that theseEXE errorsare triggered when NpcapHelper.exe is attempted to be loaded either when Wireshark is starting up, or in some cases already running. Runtime errors are the most ...
How to detect what version Npcap/WinPcap you are using? Sometimes, our user software needs to detect the existence of Npcap/WinPcap at install-time or run-time. Although Npcap's GUI installer has the ability to handle this, you may want to handle it by yourself in some conditions, like ...
The Npcap installer provides information about its execution via the process exit code. The exit codes defined are as follows: 0: Normal execution, no error. 1: Installation aborted by user (cancel button). 2: Installation aborted by script. 350 (ERROR_FAIL_NOACTION_REBOOT): Installation faile...
Stopped msiserver Windows Installer Stopped napagent Network Access Protection Agent Stopped NcaSvc Network Connectivity Assistant Stopped Netlogon Netlogon Stopped Netman Network Connections Running netprofm Network List Service Stopped NetTcpPortSharing Net.Tcp Port Sharing Service ...
Maybe @dmiller-nmap's improved uninstaller (which was included one newer Npcap's released since then) resolved it, or maybe BoxInstaller made a change which prevented the interference. If anyone is still experiencing the problem, please leave the details here so we can re-open or just create...
Installer available fromhttps://npcap.com/#download Fixed a kernel memory leak in Npcap 1.76 and 1.77 which occurs when the kernel buffer is full. This can be triggered by the sparkline graphs in the Wireshark splash screen. Fixes#701. ...
When installing Npcap in WinPcap API-Compatible mode (the default), the Npcap installer will perform the uninstallation of WinPcap directly instead of running the WinPcap uninstaller. This prevents the WinPcap uninstaller from rebooting the system and allows us to clean up partial or broken instal...
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