Power Point presentation could not be imported into Storyline 2

Hi,

I have checked on every single issue listed below  to try to resolve why my PowerPoint presentation won't import.  They version of PowerPoint I have is 2007.   

Any other suggestions?

Error: Failed to Import PowerPoint Presentation
If you encounter a “Failed to import PowerPoint presentation” error message in Articulate Storyline, it indicates one or more of the following issues:

*The PowerPoint Presentation Is Password Protected
*You Don't Have a Supported Version of PowerPoint Installed
*You Need to Install the Latest Service Pack for Your Version of PowerPoint
*PowerPoint Is Running with Different Security Permissions than Storyline
*The PowerPoint Presentation Doesn't Start with Slide Number 1
*A Third-Party PowerPoint Add-In Is Interfering with the Import Process
*If You Still Can't Import PowerPoint Presentations...