"Digit Forum Offline" Installation Problem

I tried to extract the "Digit Forum Offline.exe" package (From December DVD). After extracting 26106 files (approx 12-13% of the compressed package) in the Lite\web folder it starts giving "cannot open output file" error. What may be the problem? Please try extracting that archive and tell me? There are no problems like CRC with the executable (compressed) file itself 'cause I copied the whole executable file (119MB file) to the hard disk without any problem, so the DVD is finely readable.

Windows XP SP2 32bit
HDD file system- FAT32

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