Strange behavior on initial (first-time) login

On the very first login to my XWiki instance, I get strange behavior. After submitting the login, in IE, I first load a stylesheet page in the browser, but it is loaded as code (I am seeing the ASCII text) For example, in IE, it spawns my XMLSpy program because that's what the mime/type is registered to, I guess. In Firefox, it loads the text in the browser. If I click back on the browser, I am still on the login page, but I am shown as being authenticated. Do you think I have something configured wrong on TomCat such as a mime type setting for example? Or do I have something messed up in the XWiki configurations? Following are example screenshots: Screen 1 on IE Screen 2 - on IE (launches my XMLSPy program and loads the following: ================================== Cody Burleson IBM, Business Consulting Services On Demand Workplaces "Simplifying access to content, applications, people and processes." Current Client Office (Mon - Thur): (404) 828-4583 Home Office [Friday, Sat. Sun. or email a voice message]: (214) 233.3546 Cell [anytime]: (214) 537-8783 Email: cburleso(a)us.ibm.com