1. Make sure that you have admin rights when installing and uninstalling Helicon Focus. Installation is not possible under Guest account.
2. Uninstall current version of Helicon Focus. Then please delete "C:\Program Files (x86)\Helicon Software\Helicon Focus" folder manually.
You may also delete "C:\Users\YOUR_NAME\AppData\Local\Helicon\Focus " folder which contains settings and registration info.
3. Download and install this version of Helicon Focus:
http://www.heliconsoft.com/downloads/He ... usBeta.exe