Weird Unicode char display in Pycharm IDE in Centos 7

HI 

Installed pycharm-community-2017.3.4 / pycharm-community-2016.3.4 in Centos 7 tried with both root user/sudo user,

Getting below weird UNICODE display in the IDE

Initially got below error

[root@ranga-workstation bin]# sh pycharm.sh

Start Failed: Failed to initialize graphics environment

java.awt.AWTError: Can't connect to X11 window server using 'localhost:1.0' as the value of the DISPLAY variable.
        at sun.awt.X11GraphicsEnvironment.initDisplay(Native Method)
        at sun.awt.X11GraphicsEnvironment.access$200(X11GraphicsEnvironment.java:65)
        at sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:115)

Then ran below command to fix it

     export DISPLAY=localhost:10.0

Appreciate your help in Advance.