Are you using EFS on this system?
If so, read the discussion in the link below. It may help;
http://social.technet.microsoft.com/Forums/en/w7itprosecurity/thread/4ea08328-01bd-4d22-8b89-ae0d9984baa4
Mark
Has anyone found solution for resolving this bug !? I have laptop Toshiba Satellite L775-109 with OS Win7-64bit and when I try to fill the Windows credentials ( control panel>credential manager) I receive refusal in the form of error code 0x80070057 and explanation that the parametar is incorrect

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