C:\Program Files (x86)\Norton AntiVirus\MUI\18.7.1.3\09\01
Checking to see if this is normal for Norton Anti Virus on Windows 7 Pro (OEM). I found a prodkey.htm file that reads:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <!--
Copyright A,AC 2005 Symantec Corporation. All rights reserved.
THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE SECRETS OF SYMANTEC CORPORATION.
USE, DISCLOSURE OR REPRODUCTION IS PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SYMANTEC CORPORATION
And the directory has many *.loc and *.dll files. It is probably nothing but checking all the same.