Dont use VM's gadget rescue you will get better advice on here
Do you have a VM TV box - if so is it a TiVo a V6 or a 360 ? How is the TV connected to the box and to the Hub - ethernet cable or wifi.
Serious gamers would never use a wifi connection - connect the xbox to the Hub by an ethernet cable if you can.
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John
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I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.