Authentication failure!

Posted by veera on Ask Ubuntu See other posts from Ask Ubuntu or by veera
Published on 2012-06-27T22:28:57Z Indexed on 2012/07/01 9:23 UTC
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authentication

At the time of installation i gave login password and that was the login keyring password and authentication password.. then once in user accounts->login options in dat for password options i set as none and then i locked.. after that the passwd which i gave at the time of installation remained as login keyring passwd but wen i entered that passwd for authentication while installing some packages it's showing authentication failure.pls try again.. so i couldnt download any packages or updates.. is there any possibilities to change/reset the authentication password.. pls help me..

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