Ah, OK, I googled that iFire doesn't equal Xfire

@fana
Try to reinstall the game to another directory, it helps sometimes. Next thing, try with other install file, eg. 2.60d full installer -> http://www.wolffiles.de/index.php?filebase&fid=13

One person had similar problem on Windows 7, maybe the whole thread can help you somehow -> http://fearless-assassins.com/forum/...8-cant-run-et/