In this paper, the problems of Farsi word processing softwares that are based on Word for Windows are enumerated. Being a non-roman script written from right to left and taken as Arabic, are two factors affecting the malfunctioning of Word for Windows. The problems such as: different keyboard layouts in different versions of Word; many problems encountered in dealing with digits; the problems concerning capital letters that sometimes do not attach when they must; and the considering Farsi letters as misspelled by spell checker are but some problems of the kind. Some suggestions are presented at the end.