F:\_wo\pl_test>perl 696125.pl
Win32::OLE(0.1701) error 0x80041002
    after character 0 in
"winmgmts:{impersonationlevel=impersonate,(Backup,Restore)}\\localhost\root\wmi:BcdStore" at 696125.pl line 14
        eval {...} called at 696125.pl line 14
Can't call method "OpenStore" on an undefined value at 696125.pl line 16.