Create the following folder on the root of the Citrix Server:
C:\Printers.{2227A280-3AEA-1069-A2DE-08002B30309D}
On a Citrix server using Internet Explorer 6 or earlier, publish the app as follow:
"c:\Program Files\Internet Explorer\IEXPLORE.EXE" C:\Printers.{2227A280-3AEA-1069-A2DE-08002B30309D}
On a Citrix server using Internet Explorer 7, publish the app as follows:
"%windir%\ie7\iexplore.exe " -e C:\Printers.{2227A280-3AEA-1069-A2DE-08002B30309D}
related Citrix Article CTX884335