If you encounter this behavior, try to perform a fresh install of the product. To do this, uninstall the current version from your computer by going to Start > Control Panel > Programs and features. If you can't find the program there, install and use Revo Uninstaller. After you did this, go to Start > Run > regedit and press Enter. In the new window that opened, go under HKEYLOCALMACHINE > SOFTWARE > Zenith VSOFT and delete all related entries. To complete the process, install the latest version of the product that you have.
It's advised to perform a backup of your system at this point. This action is recommended because you can use the restore option every time you encounter the described behavior.