I noticed some of you have the problem that certain file extentions are not working, you can not download the files and get a 404 error or a blank page. I had this too and found the solution.

1. Open the IIS Manager
2. Choose properties of the server (local computer).
3. Click on MIME Types
4. Enter .* in the extension field
5. Enter application/octet-stream in the MIME type field.
6. Click 3 times the ok button.

This will solve the problem

Kind Regards,

Erwin Verdonk

Remember that this won't add the MIME type to sites already created! For these sites:

1. Open the IIS Manager
2. Choose properties of the domainname/site.
3. Click on MIME Types
4. Enter .* in the extension field
5. Enter application/octet-stream in the MIME type field.
6. Click 3 times the ok button.