In the course of reinstalling my Canon printer (MF4350d) I have consistently run into this error message once I have installed the Canon drivers, which I have done multiple times in the past few days trying to get my printer working again. The Canon techs threw up their hands and said it is a Windows problem. I am using WinXP SP3. Printer was working fine until we made the mistake of trying to udate the drivers which required uninstalling the current drivers thus putting me in this goofy neverland. Any suggestions? I am on the verge of reformatting the hard drive for want of any other inspiration and basically starting over. That's a ton of work and since I have no idea why this error appears, I have no real confidence that it will make a difference. (There may well be other reasons to reformat, like I have so much stuff running andno idea what the heck it is...) What is an INF? How would I recognize one? How can I tell if I have all the "sections" in "the INF?" And if a section is missing--as the error tells me--which section would that be and can I get a new section to add to the INF? Do I just get a new INF? If so, where?