Your problem is not familiar to me, but I think that the problem is or could be for this:
You should make sure;
" Next we need to tell the Tizen SDK where Google Chrome is installed. The Tizen SDK's Web Simulator is based on Google Chrome, so if you don't have it already, download and install Chrome.
With Chrome installed, go to Window -> Preferences. In the tree down the left, select Tizen SDK -> Web -> Chrome. Under Google Chrome location, enter the path to Google Chrome's executable file. Usually this is something like: