The following error appears when you are installing Sling on Win 7, Server 2008 or Win 8:
COMCTL32.OCX is an Active X Control that is used by applications to display dialogs. It is widely used, but considered 'old' as it has been replaced in new applications by MS presentation foundation (WPF) . The solution is to reinstall this component.
The description of the problem, how to solve it, and several documents with background information can be found at
http://answers.microsoft.com/en-us/windows/forum/windows_7-files/comctl32ocx-error-in-windows-7/051b2862-b4a1-45fc-aad8-140ed32dc682
Legacy KB System (APS) Data: RESL210067 V1.0, Originally authored by CoBu on 12/18/2012, Last Edited by CoBu on 12/18/2012
Related ranges: Vizelia, REM, EVO, EPO, Hosted Simple Energy Management Solution (SEMS)