You need to disable the _RESTORE folder and then run the scan
http://service1.symantec.com/SUPPORT/tsgeninfo.nsf/docid/2001012513122239
http://service1.symantec.com/SUPPORT/tsgeninfo.nsf/docid/2001111912274039
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q263455
http://service1.symantec.com/SUPPORT/tsgeninfo.nsf/docid/2001012513122239
http://service1.symantec.com/SUPPORT/tsgeninfo.nsf/docid/2001111912274039
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q263455