Microsoft PowerPoint 64 bit is not compatible with EasyWorship. Many customers install the 64 bit version of Office thinking it is required for their 64 bit operating system. However the 32 bit office works just as well as the 64 bit version of Office. Microsoft recommends using the 32 bit version of Office multiple reasons. Check out this Microsoft Article for more information. http://office.microsoft.com/en-us/word-help/choose-the-32-bit-or-64-bit-version-of-office-HA010369476.aspx
If you have installed MS Office 64 bit, you should be able to uninstall it and install the 32 bit version of Office at no additional cost.