I have not had any problems with the widget... I suspect those that do are more than likely running I.E. 7 or 8? It would be interesting to see if anyone is having problems with it on Chrome or Firefox... For the record I am using Chrome
The only thing on Chrome is once it showed me the arrow to minimise the box and I minimised the box both the box and the arrow have gone forever so I can never get it back. On my android phone it works fine btw.