My Win 7 desktop will not correctly display gif files in Word 2010. The file looks normal on my XP laptop (and everyone else's computer), but on the desktop computer a gif of a math equation in Word becomes white text in maybe Signboard font on a black background, sometimes readable, usually not. The problem isn't consistent either. One equation may be weird and the next is normal. I might also note that on some documents the line spacing looks all out of whack, but it's normal on other computers. I've un-installed, re-installed, and updated my Office 10 and updated Windows 7....I am at my wits end!