Hexxit is fully updated, still crashes with white screen before the game even loads

[wittyusername]

Title: Hexxit is fully updated, still crashes with white screen before the game even loads

Version: 1_0_4

OS: Macbook Pro

Java Version: the latest version.

Description of Problem:

So, i open up my technic launcher, launch hexxit, and it looks like it's going to load. it goes to a seperate white screen like it's going to go to the mojang logo, but just closes.

Error Messages:

no error messages. just crashes before the mojang screen appears.

Error Log:

[freddy20009]

the same thing happens to me, when it happens turn off your computer for 1 minute and turn back on then start the launcher before starting anything else

[taxwiz]

You said that hexxit is fully updated, yet the version is 1_0_4. The current version is 1_0_5.