Solve : GIF89a?

1.	Solve : GIF89a?
Answer» I get on this one website and when I try to UPLOAD a picture, a BOX appears with "GIF89a" in it, nothing ELSE. A screencap- http://img59.imageshack.us/img59/9766/gif89a.jpg I read that it's a .dll file, so I searched for it, but I don't have it, and I have no idea where to get it. All I COULD find was animation programs, and I don't want those. My computer is Windows Vista (the joy), Service Pack 2, 64-bit, with Kaspersky Antivirus. I get the same error in both Firefox and Internet Explorer, both up to date, and I have the most recent Flash and Java updates. I know it's just my computer because it works completely fine on another. I just need it to WORK on this one. :/

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