Can't install newer versions.

I can't install any newer versions:
The error message says: (translation below)
לא ניתן ליצור את התיקייה.
פרטי שגיאה: The filename, directory name, or volume label syntax is incorrect
שם הקובץ בדיסק: .minecraft
נתיב: C:/Users????????\AppData\Roaming\.minecraft
קיימת: false
~_{TRANSLATION TO ENGLISH (might not be amazing )}~
Cannot create the folder.
Error information: The filename, directory name, or volume label syntax is incorrect
file name in the drive(disk maybe idk): .minecraft
path: C:/Users????????\AppData\Roaming\.minecraft
exists: False

EDIT: It might be from my username. it's written in hebrew.