Cannot access the repository. (USR0013)

receive the following message when try log into Universe Designer

Cannot access the repository. (USR0013)

[repo_proxy 13] SessionFacade::openSessionLogon with user info has failed(Security plugin error: An error has occurred in the plugin, but the plugin is unable to return a detailed error message.(hr=#0x80042a01).

Have searched various forums and tried restarting the repository database didnt work any ideas ???