hello we have 3 pcs and there is 3 folder i shared it with them, when i put excel and word or any other thing in the folder they can see it and change it and do anything they want but now since 1 month when i scan any paper with pdf or tiff format the users from others computers they don't have permissions to access the file also when i save any pdf or tiff format from my email and put it in the sharing folder they also can't to access
i don't what happen but i didn't change any setting in my pc
note: i use windows xp computer
