I'm guessing Avast is denying npcap access to a network resource it requires, and that this is being reported as a generic file access error by the service manager. The classic scanning method will work just fine until we can add some more polish to Nmap. Nmap enumerates remote machine open ports Ubuntu cannot access USB device, failed to create a proxy device for the USB device ArcGIS Earth 1.7 beta installation method-solve the 0X80070057. There is no Nmap Failed To Open Device Eth0 Windows 10 price are you looking at paying No you don't need any converters. For the most part we recommend leaving it disabled if you experience any issues with scanning. This is where device NIC and the switch port.The reason i ask as i am see the switch.
Event log captures error event 7000 "The Npcap Packet Driver (NPCAP) service failed to start due to the following error: The system cannot find the file specified." This error is reported with each attempt to start service via net start. Npcap continues to function correctly as before. Wireshark is able to capture packets via the service. Service can be successfully stopped and restarted via net stop / net start commands.
Also found references to issue elsewhere, as yet unresolved (other than "remove Avast") - and (German) 535 Lenovo X61 / Win / Avast Internet Secuirty. Linux - Open the terminal if you are using a GUI for your Linux distribution. You can run the scan from any directory on the command line. You can use variables to modify the scan.
Checked behavior on 2 different PCs - Lenovo X1 / Win / Avast Premium Security build. Nmap commands are run from the command line, and the results are displayed beneath the command. Avast is preventing me from running the packet capture service that is needed for Wireshark on Windows 10.