If you installed Firefox 3 and are using Windows, you might run into a problem where Firefox does not allow you to download exe files from the Internet due to a Windows setting. You will get the message: This download has been blocked by your Security Zone Policy and your download file will never download. To fix this problem you must modify Internet Explorer settings!

- Open Internet Explorer.
- Choose Tools menu – Internet Options.
- Click the Security tab and click on the Internet icon.
- Click the Default Level button if it is clickable
- Then click Custom Level… and navigate to Miscellaneous.
- Under this section find the option: Launching applications and unsafe files.
- Change it from Disable to Prompt (Recommended).
- Click OK, Apply, then OK.
- Startup Firefox again and test it to see if it works now.
IE 8 Browsers
If you are using IE 8, you should probably look at modifying these settings as well:
- Click on Tools – Internet Options.
- Click on the Security tab.
- Click on the Sites button and verify that the website URL is in the list of trusted sites.
- Back on the Security tab, click Custom Level…
- Locate the Automatic prompting for file downloads sub-category immediately under the Downloads category. Set the radial button to Enable.
- Locate the File download sub-category immediately under the Downloads category and set the radial button to Enable.
- Click OK to save the changes and Yes when prompted to confirm the changes.
- Exit completely out of all IE windows and then try it again