Hello Misty2010,
On one of the other two computers on which you installed your Office 2007, please do the following:
In order to receive the best support, we request all users initially download and run the Genuine Diagnostics tool at this linkhttp://go.microsoft.com/fwlink/?linkid=52012. Click the "Continue" button, click the "Copy" button, then paste the report into your post.
Buy Office 2007 Now, Get Office 2010 Free http://office2010.microsoft.com/en-us/tech-guarantee/microsoft-office-2010-technology-guarantee-FX101825695.aspx?CTT=97