Process that can not be killed

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http://forums.opensuse.org – Hello everyone. Here Yfrog Image : yfrog.com/3tkillprocessj you will see a process that can not be killed and my failed attempts. Could you please let me know: A) why some processes can not be killed? b) why kill -9 does not return any error? c) what do you do for killing such processes? I would like to thank you in advance for your help Best Regards Alex (Distributions)