"The file is checked out on another computer" error when it has never been checked in . . yet

We have a machine where sometime brand ne files, that have never been checked in, chect flagged as if they were checked out on another machine.   The machine has not been renamed nor was it evenre worked on on another machine.

Win 7 x64, EPDM 2010 SP 4.

SolidworksSolidworks Pdm enterprise Pdm