TIP 188.8.131.52 is a prereq for the upgrade from TBSM 6.1 to 6.1.1. The install of this TIP FP fails with the following message "FAIL: Installed OMNIbusWebGUI 184.108.40.206 is not certified with tip220.127.116.11. ".
The FIT tool has been updated on April 10, 2013 to include OMNIbus Web GUI 7.3.1 and Web GUI 7.4.0 as certified releases. Download a new FIT tool from FIX Central where TIP 18.104.22.168 was downloaded from.