http://answers.microsoft.com/en-us/windows/forum/w indows_7-security/windows-7-logon-issue-with-messa ge-invalid-pointer/7ff7277f-d940-4761-9268-3115c42 4159c?tab=question&status=AllReplies&auth=1
Mne nakonec stacilo v diagnostickem spusteni updatovat HP Client Security Manager, ktery to vse zavinil, a uz to zase funguje.