BV:Detector-F[Trj]

I just did a full scan on my laptop windows 7, it indicates C/Windows/Prefetch/Layout.ini. has the BV:Detector-F[Trj].
Is this a false positive? Should I ignore it or should I move it to the virus chest? Is it safe to delete Layout.in.
Thanks for the help!

Just delete the file and restart, the system will rebuild it when required.
If it is flagged again after being rebuild, we should have a qualified removal expert have a look at it,

polonus