Wasn't aware of any maintenance or down time today.  Perhaps a hiccup in the system?  A good first step is to reset data.  From within Impulse:

-Click the Impulse Logo in the upper left
-Choose 'Preferences...'
-Click the 'Reset Data' button
-Close impulse and relaunch it. You may notice a long update time, which is normal as it is rebuilding the deleted info.

Data issues can get cleared by loggins as well, but this is a good way to force Impulse to update it.

There are several ways that our customers can retrieve their software and licenses that they have purchased.  Keep in mind that trial versions of our software are not upgradable to the full versions by entering a product key, and they must be uninstalled and the PC rebooted before installing the full version of any app.  Here are the possible options (NOTE: Not all applications are available under each option):

1.) Go to https://www.stardock.com/support  , enter your e-mail address to have your product info sent to you.

2.) If you have a Stardock.net account, visit the following site and click the link for the appropriate application/theme: https://www.wincustomize.com/myaccount.aspx?reg

3.) I would highly suggest using Impulse to download and install any of our applications. Impulse is our new product distribution platform that will be replacing Stardock Central. Impulse will give you the ability to resume downloads, as well as notify you when updates are available, and prompt to update.  Impulse will also automatically activate any of our products you install.