The MD5 values for ver 1.4.5 self extracting archives on the download website are wrong! The sha-1 hash has been put instead of md5. the correct one (i think) is MD5:77E1A435C5A8DBC75C2E10BCAC0A1F27 sha-1:5AEDD243CD2C50C2537384747D63533B56FAA8F8 crc32:45DE1CBF