Quartus II 9.1 sp2 Free error while trying to run in Linux

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Quartus II 9.1 sp2 Free error while trying to run in Linux

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Hello everybody, first of all thanks in advance for your comments. I'm running Fedora 11 i686 and Im trying to run Quartus II 9.1 sp2 free version. I already install it with any problem but when I run ./quartus immediately I got the following error =>

Qt: Session management error: None of the authentication protocols specified are supported

Internal Error: Sub-system: QUI, File: /quartus/sys/qui/qui_app.cpp, Line: 505

pkg_okay == TCL_OK

...

Does anyone have any idea about how to solve this issue?

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