Srini Kella wrote: I can have the word document read only. But, user is still allowed to type-in the keys from keyboard, though he can not save it. I do not want the user to press any key that modifies the text on the word document while it is being displayed in IE. Is it possible? What is the problem with the read only setting? I'm not sure what purpose you would be solving as the user would not be able to modify the source file at all. Nick Parker

I think VirtualQueryEx()

right. mIchAel Liu __________________________________________________________ The secret of business is to know something that nobody else knows. ;)

Try using CreateFile in FILE_FLAG_OVERLAPPED mode (this probably will work only in NT/2k/XP systems.) Joaquín M López Muñoz Telefónica, Investigación y Desarrollo

I am not waiting for the process to finsih. I am waiting for the process to begin 'fully' instead! Thanks anyway.

Srini Kella wrote: ...I wonder, if there is a kind of 'Asynchronous file existence checking' code which would just return immediately and fire a 'kind' of 'done' event later!! This is a prime candidate for a worker (i.e., non-UI) thread. A rich person is not the one who has the most, but the one that needs the least.

Yes , some computers will need a updated bios in order to run xp. The best thing to do is look at your bios version and then check to see if thier is a update availbe. This can all be found on the the manufacture of your mother board's website.

thanks!!

And Windows NT4 must be SP6a. Kevin