Unity 5.5.1f1 doesn't startup on Fedora 25

I'm new to GNU/Linux and I got shocked when I discovered that Unity doesn't have an official support to Linux till I found out this forum.
Downloaded Unity 5.5.1f1 "Platform-Agnostic Self-Extracting Shell Script" and installed in on Fedora 25 (4.9.5-200.fc25.x86_64).
I installed all of the Dependencies and blender, gimp, monodevelop, nodejs, npm, nodejs-npm*, postgresql-libs, postgresql.
When I run ./Editor/Unity it starts fine I create a new project and try to open it, it loads a little bit and crash after that, there's two windows pop up, a windows with the Unity load picture and it's titled with "Starting Unity.."
and a second one.
each gives me these messages:
1-
Are you sure you want to proceed?
2-
“Starting Unity...” is not responding.
You may choose to wait a short while for it to continue or force the application to quit entirely.

I keep clicking Wait till it suddenly aborts and gives me this in the terminal:
Aborted (core dumped)

Thanks.

 

Log file -->

Preview:



@Tak

 

It starts up OK for me on Fedora 25. I might suggest deleting your unity config e.g ~/.config/unity3d and trying again.

 

Thanks for the replay, it just re-started the activation process, nothing changed.

 

It seems like I was missing libstdc++.i686.
Thanks to @marchingcubes2 for pointing that out.
Reference.