Solved Can't logg in as admin in xubuntu .The others users can.

In a machine wiht Xubuntu 12.10 I have 3 users. I am as admin. When I try to logg in after choosing my name and password I click to unlock and then the little windows connect to the following window as normal but in stead of open my account go back to the little window where the users choose thenself for logging in. The others user logg in wthout any problem. Is there any way to solve it ? or need I reinstall Xubuntu 12.10 fron the beginning ? Thanks.

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