many packs keep crashing ... or won't launch

[Xehala23]

sooo eh 

here's my question:  why ? and can you help me

so eh since a while my technic launcher just... won't open packs... or try to ... and close imediately after ...

here's some packs : 

hack/mine ( nvm found why ) 

IndustrialTech online v3

Arcania craft 

advanced wizardry

tech wizardry 

voidpack 2 skyblock

and many others .... well any pack almost ... 

the launcher just... try to launch them and it comes back ...  :<

its making me mad more and more... so eh can i have some help with that please ?  

also i tried to have support from the discord and it didn't helped me at all :I 

please?