First of, I'm not here to discuss the quality of this movie (there are already various topics about it)... I'm here because I wanted to share with you what Rory McKenna read on his computer when the Predator Killer gauntlet activated itself.
The text is written on the screen from right to left and from top to bottom.
Here are the screen captures I did with the translation:
And here is the message (letters/words in brackets are what I tried to guess):
[won]der what he
ping I bet
|uth and its|
[calle]d by his aw[esome]
[Arma]ndo Colares (note: could be also [Ferna]ndo)
[talk] about the
[l]ike war of
[wond]der what he
[ping] I bet
(the message repeats itself)