Error while importing Sentinel1 Data

Good morning,

I have a Probleme while importing Sentinel 1 Data in Snap.
I try to import the zip file I´ve downloaded from scihub like I see it in the Video " How to Radiometrically Terrain Correct Sentinel-1 Using ESA’s SNAP Toolbox" on Youtube.
But SNAP didn´t import the File.
It just says that there is an java.nio.file.InvalidPathException with an “Illegal character [?] in path at index 2”.

I´ve tried to change the directory to C but this also didn´t work. I don´t understand why the “\?” before the directory name.

Thanks for the help