So, i just installed r80.2 and continued developing my game since that bug with sub-events had gone away , previewd the game few times with chrome added some events ....everything ok untill this pops up after i click preview :
<img src="http://i40.tinypic.com/jb0efb.png" border="0" />
i tried :
Reinstalling c2 r80.2
Cleaning my catch totally with ccleaner including chrome's
nothing worked and i dont know what to do now ...