This is probably funnier if I knew German. (angry computer kid)

...oh man, this guy has some serious problems...

"where is the escape button...hihihi hohohhhaeahaeahae....i don´t need help..no...i don´t need...i´ll kill them...i´ll shoot you all......I´ll will kill you all...eat this you son of a bitch"...

...thanx ...that was a good start for the day...
 
The guy is obviously acting, otherwise no mental institution will be remote enough for him...

Basically that's what happens:
1. he's trying hard to install a game
2. he's having "trouble" starting the game
3. oh well, it's a shoot'em up...