Hi,
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Please excuse the typo's from my previous post about this problem. Below is the correct messages/info.
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Could anyone possibly explain why after using CHDMAN, I get the following:

C:\MAME\ROMS\BLITZ99>chdman -update blitz99.chd blitz99r.chd
chdman - MAME Compressed Hunks of Data (CHD) manager 0.78 (Dec 25 2003)
Input file: blitz99.chd
Output file: blitz99r.chd
Compression complete ... final ratio = 82%
Input MD5 verified
Input SHA1 verified

C:\MAME\ROMS\BLITZ99>

Yet, after running SHA1 checking with CMPRO it still reports the following:

NFL Blitz '99 [folder: blitz99]
integrity md5 check failed: blitz99.chd [wrong: 678d10f1089539b026d6e5570ea8749b] [right: 4bb6caf8f985e90d99989eede5504188]
integrity sha1 check failed: blitz99.chd [wrong: 59ff70e6ecf5bd8532ccfe14a9cadf38084e0971] [right: 4675751875943b756c8db6997fd288938a7999bb]
chd update needed: blitz99.chd [59ff70e6ecf5bd8532ccfe14a9cadf38084e0971] [needed sha1: 4675751875943b756c8db6997fd288938a7999bb]
wrong chd md5: blitz99.chd [wrong: 678d10f1089539b026d6e5570ea8749b] [right: 4bb6caf8f985e90d99989eede5504188]

Is there any way to fix this? Please don't tell me I need to get new copies of these CHD's..? :(

I have this issue with:
blitz, blitz2k, blitz99, bm2ndmix, bmdct, cryptklr, jdredd and mace.

Any advice or assistance will be greatly appreciated.

thank you in advance.