1.  Open Internet Explorer
2.  Go to Tools>Internet Options>Security>Trusted Sites and click on the Sites button
3.  Add https://appsca.blackbaudondemand.com, https://login1.blackbaudhosting.com or https://login2.blackbaudhosting.com as a trusted site and click OK.
4.  Go to Tools>Internet Options>Privacy and make sure the setting is not set to Block All Cookies.