> D:\MAME>chdman verify -i d:\mame\roms\gauntleg\gauntleg.chd > chdman - MAME Compressed Hunks of Data (CHD) manager 0.145u7 (Apr 22 2012) > Raw SHA1 verification successful! > Overall SHA1 verification successful! > > D:\MAME>mame gauntleg > gauntleg.chd DIFF CHD ERROR: unsupported CHD version > ERROR: required files are missing, the game cannot be run. > > > So, chdman verify is successful, but MAME (0.145u7 64-bit Windows), claims > "unsupported CHD version"
Delete the appropriate .dif file from your DIFF folder. The .dif file, which holds changes from the original CHD for your games, is made for a different version, making them incompatible with your current upgraded CHD.
In fact, when you upgrade CHD versions, it's always a good idea to clean house.
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