In Windows, you can use two commands to kill a program: TSKILL and TASKKILL . TSKILL is a simpler and less powerful command, but does. You can kill the process and all its children (ie. all processes started by it) using the /t switch: taskkill /f /t /im gemeindenahe-psychiatrie-rlp.de See the documentation for taskkill. Given the name usbpcap, it is likely that the process has hung on a driver operation or other kernel resource, and is therefore unkillable. When a Windows program stops working, your first instinct is probably to visit To kill off programs without touching the Task Manager, we can use the taskkill. Two commands are available in Windows 8, the Tasklist and Taskkill commands for displaying all runing tasks and killing a set of active. It appears that Windows 8 has broken the taskkill command in part at least ( actually, I think it is more likely a broken ability to set the debug.