Files from Single Download don't start
If files from Single Download (compressed Exe files) don't start, there is an error message that the file (coming from the Internet) could be harmful or there is no reaction at all.
In the first case you should select to start the file neverless under "Further Informations" in the dialog.
In the second case enter the properties of the file (right-click to DCINSxx.exe in Windows Explorer + select Properties) and click "Unblock" on the page "General" under "Security".