I have downloaded a trail version of presenter 8. Seem to install fine but then at end says installation failure- when click on error summary report - says Exit 7 Do not know what to try.
email@example.com did you try the steps offered by Mylenium in message #1?
If so and you are still having difficulties then please review your installation logs to locate the root cause of your difficulties. You can find directions on how to accomplish this at Troubleshoot with install logs | CS5, CS5.5, CS6 - http://helpx.adobe.com/creative-suite/kb/troubleshoot-install-logs-cs5 -cs5.html.