HP fax sending stuck at spooler

Question

On HP Officejet 4500 and Windows 7, when sending a fax, the fax is not sent and the spooler is stuck. Restarting the spooler doesn't help. Deleting the files from the spooler directory allows to remove them but still doesn't enable fax sending.

Answer 1

End the process hpofxm08.exe from the task manager.