Charlene, it seems like your .NET Framework or OutlookFreeware
.com Runtime installation is corrupted. Try to install .NET using the download page at Microsoft:
http://www.microsoft.com/download/details.aspx?id=17851
After that you can try to re-download and re-install our runtime using the download page:
http://www.outlookfreeware.com/en/runtime.aspx