DotNetNuke 5.1.2 Missing HTML module

After installing DotNetNuke 5, I went to add the HTML module to a page, but the HTML module was missing from the module drop down
list.

Do not know why this problem occurred.

To fix the problem, I went to:

1. Host, Module Definitions, Install Module at the bottom

2. Browsed to the folder Install, Module and uploaded HTML_Community_05.01.03_Install.zip

The module installed with no problem.

One time this happened, there was a HTML_Community_05.01.03_Install.resources file, but not .zip version. I renamed the .resources
to .zip and uploaded and everything was fine.