DPF OFF-CHECKSUM ERROR

[Tashmwa]

Hey guys i have a range rover vogue 2011 ecu edc17 TC1792 and when i try 2 write the internal flash with the dpf off file i get a Checksome error message..what could be the cause???Am using fg Galleto 2 master..
I appreciate any assistance

[ecutuners]

Try doing checksum in file with winols first

[Tashmwa]

Thanks in advance but where do i get the winols software???the internal flash also does not accept the orriginal data

[ominimicu]

post original file to check