Windows .exe Can't install FTB:Monster, doesn't install mods

[Wizazaur]

Hello,
I have a problem, I can't install FTB : Monster, everytime I try to install it
and launch it my launcher gets stuck, here is the pastebin link : www.pastebin.com/GeSdPE5J

Can you please help me?
Thank you!

 

[UniZero]

Follow the guide linked below carefully and exactly. If you still have issues then post a fresh log.

https://docs.google.com/document/d/17__CctJokfTCXovBs5YIdRhG39tdZlLMI_Mfq_aMu3k/edit

 

[Byte Templar]

Just to clarify more about the problem, this is the error:
"De mapnaam is ongeldig." "The directory name is invalid."

So do fresh install as UniZero has instructed.