Here is another screen shot form the "Live Data" panel.
a. when using IQ feed as the live data feed provider, the Bid/Ask price is not updated after the live data is started
b. when using IB as the live data feed provider, the Last Price and Volume is not updated at all (see below). The line highlighted in yellow (EUR/USD) is the IB live data. The AUD/USD is the IQFeed live data.