When upgrading Umango to a different target architecture (ie. moving from 32bit to 64bit or from 64bit to 32bit) you may experience an error on installing the new version. The error states;
"There is a problem with the Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor."
To resolve this, complete the following;
Link to this article http://umango.com/KB?article=76