Thanks a bundle! I think I will simply redownload my RTW 1.2 patch, although it's an .exe file. Hope this sort things out.
EDIT: Couldn't find an unzipped 1.2 patch, so tried another EB v0.7.2 download link. Kept my fingers crossed and... it finally worked! After just about 5 or 6 hours of doing things to make it work (including reinstalling my RTW and trying every download link the EB team provided me with...) I, or rather chance, finally managed to launch EB. The link from the EB website to 3D downloads proved to be the right one.
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