Hello and thanks for your software.
Motherboard: MSI H87-G43 ( https://msi.com/Motherboard/H87-G43.html )
Old BIOS version: 2.2
New BIOS version: 2.A (2.10)
Remarks: Just followed your instructions, created backup of old ROM and then wrote new image. No troubles at all. Did not save logs of flashrom, so sorry if you would like to see them.