My Test Complete execution normally takes more than a Hour or so. Hence in the Indicator popup if we have the timer which will display the HH : MM : SS running. This will help us to know approx. ...
Well... that was embarassing... apparently, there's a big difference between having a file called Discription.xml and a file called Description.xml in your packaged TCX file. :)
I've corrected the problem, uploaded a new copy of the TCX. Please download the latest at https://bitbucket.org/privateteamogre/scriptextensions/downloads/IndicatorTimer.tcx