I think I know what's causing the launcher.exe to hang up.

[1.JaVA_Sharp]

Originally Posted by 335th_GRAthos

Guys, check the amount of RAM usage on your machines just before the crash!

It has been posted in the Bugs thread, there is a continous memory leak and when the system reaches 75-80% of the available memory, you are highly likely to experience the error.

Just in case...

~S~

interesting, I've seen those values as mentioned. Bit a of a shame that this wasn't fixed if it is true...