Steve, you may also need to update your "6-minnie_tuhs_org.xml" file according to the instructions here to accomodate the recent (early September) change to the OzTiVo xmltv format.......
If you are still unsuccessful, attach your WebEPG.log file to this post - that may give us a clue...
If you are still unsuccessful, attach your WebEPG.log file to this post - that may give us a clue...