Postby karlinhigh » 11 Nov 2013 18:14
What happens if you do Windows Key + R to get the run command, type in firefox, and press enter? How about calc or notepad? Does VLC only come up for Firefox or iTunes, or for every EXE program? If it comes up for every EXE, perhaps try a Malwarebytes scan.
Or, click Start -> Default Programs -> Set Default Programs, click on VLC, Firefox or iTunes. Then click "Choose defaults for this program" and see what defaults are set for extensions or protocols.