The firewall is asking if you want a program to access the net, Spywaret terminator is asking you to confirm you want to permit a new process to run on the PC. Different question, but same method of working. When it pops up after a new software installation, it's generally not a problem and to be expected. When it appears out of the blue, it may have been triggered by something undesirable. Always a good idea to read the details and see if the process involved is something know about and want to permit.