[Wien] Xcrysden problem

[bayarr temuujin]

Dear Wien2k users,
I am new to Wien2k and i am running Wien2k version 13.1 on Ubuntu 14.04. LTS. I have problem with Xcrysden not showing up when i run electron density calculation. The button "Calculate density with XCrysden" doesnt show up. I have re-installed Xcrysden and XCrysden is working fine. Please help me out.   
Best regards,Temuujin
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