You may see this error message when trying to open the player properties in Storyline 1:
Available Memory Is Low
It is strongly recommended that you close any unneeded applications and save your project.
This issue was fixed in Update 4 for Storyline 1. To take advantage of the new features and fixes, download and install the latest version from the link in your product confirmation email, or get it here.
If your logo is missing after installing Update 4, see this article for more information.