http://bugs.winehq.org/show_bug.cgi?id=23115
--- Comment #14 from Pavel rawlik@list.ru 2010-06-24 04:09:16 --- For compound files that size is comparable with RAM of the PC (i.e. 128 mb and more, my first PC had only 16Mb :-) ) * or IlockBytes code should be more smart (for example using mmap) * or use BigBlockFile instead.