mitsucan heuristically determines correct checksum area size.adding clarification to message indicating nothing was written due to no differences in ROM images.User Boot MAT is still not supported yet pending read support for this area. Added SH boot mode support for SH725XX processors.File dialogs offer all ROM types by default.Changed driver signing certificates back to SHA1 from SHA256 for compatibility with pre-Win8 OS versions until MS release SHA256 kernel mode signing updates for these.Fixed MSVC compiler library issue which made J2534 DLL incompatible with Windows XP.Fixed Openport 1.3 driver INF file section naming error which was preventing this driver from installing correctly.