I think that mozz.dll is a renamed zlib.dll (could be something else I suppose). It sounds like the build was with the option to use a system DLL instead of the LIB file in the build and that your system doesn't have this. Could you point to the build topic where you got the build?
Dell Inspiron 8500 P4 M 2.0 Ghz 1 GB 40 GB XP Pro NVidia 64 MB WUXGA CME, CH, TBE , EZS Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7b) Gecko/20040325 Firefox/0.8.0+ (mmoy-O2-GL7-SSE2-crc32-Zp16-quek013)
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