Preview in Browser issue

Here are a few suggestions but not any biggies.1. Make sure you have both HTM and HTML defined as Aaron said. You can check by browsing any folder and then from the Tools menu select Folder Options. Click on the File Types tab and make sure both are defined to use IE by clicking on them in the scrolling window and reading what is shown below.2. Publish your content. Navigate to the folder where published. Double click on a file. 2.a. If it does not come up, then you have a problem with Windows. Can you surf the internet? 2.b.If it does come up, then you have a problem with Lectora. Uninstall and reinstall Lectora.luck, ben