During the installation of Lasso Enterprise 2.0 you may see the following message:
The Lasso Enterprise 2.0 installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2869. The arguments are: ErrorDlg, it failed with an error code 2869.

1. Copy the installer to the C:\.

2. Create a new shortcut on the desktop with the following command line options:

msiexec.exe /i C:\LassoEnterprise-v2.0-x64.msi /L*v c:\logfile.txt

3.  Right-click on the new shortcut and select "Run as Administrator".