under which tree in event vieuwer I can read detailed information about internet and network problems?

hi,

under which directory in event vieuwer I can look

1- for detailed  information if the internet constantly causing problem ?

2-I see that the problem solver generating network diagnostic file with .etl extension  how I can open this file and read the information (I see etl is binairy file ,how I can convert it to normal file).

thanks

hovhannes

h.david