Index: src/Util/SystemInfo.cs
===================================================================
--- src/Util/SystemInfo.cs	(revision 1407474)
+++ src/Util/SystemInfo.cs	(working copy)
@@ -455,8 +455,12 @@
 					// carry on.
 					return myAssembly.Location;
 				}
-				catch(System.Security.SecurityException)
+				catch (ArgumentException)
 				{
+					return "Location Detect Failed (UNC?)";
+				}
+				catch (System.Security.SecurityException)
+				{
 					return "Location Permission Denied";
 				}
 			}