Error in automatically change in Path using eclipse

Hello to all,
I am using eclipse as IDE. I am getting unexpected problem from last 2 days not getting the solution from the same. I am using latest version of the Arduino and Eclipse.

The problem is when i use to add the libraries in project using import libraries in eclipse. unexpectedly the path of libraries been changed. and got the errors which i had attached.

Thanks & Regards
Arun Luthra