Looks like something left behind by a badly written malware program. You might be able to make the error go away by opening Task Manager (on the desktop, press [Ctrl]+[Shift]+[Esc]). Maximize Task Manager and go to the Startup tab. Right-click the header that reads "Publisher". A menu should open, and the last item on it should be "Command line". Make sure it is ticked on. Next, read through the "Command line" column and hunt for an item that reads something like this:
When you find it, untick it (the checkbox is on the left side of the screen).
It would also be a good idea to scan your computer for viruses and malware.