C:\Scripts>threads1.pl
Win32::OLE(0.1403) error 0x800a004c
Win32::OLE(0.1403) error 0x800a004c
    in METHOD/PROPERTYGET "GetFolder" at C:\Scripts\threads1.pl line 33
thread failed to start: Can't call method "size" on an undefined value at
        C:\Scripts\threads1.pl line 34 (#1)
    (F) The entry point function of threads->create() failed for some reason.

    in METHOD/PROPERTYGET "GetFolder" at C:\Scripts\threads1.pl line 33
thread failed to start: Can't call method "size" on an undefined value at
        C:\Scripts\threads1.pl line 34 (#1)
    (F) The entry point function of threads->create() failed for some reason.

Free to wrong pool 1a99e90 not 223f58 during global destruction.