You need to remove all traces of the software from your registry.If the registry keys from the trail software still exist. It make conflict with the new install. This happens because both applications will be sharing different files.
- Click Start
- Click on Run
- Type regedit and press enter.
- Registry Window Would get open.
- Now navigate to the following keys and delete the keys.
- Both the above keys will have a linked to the program delete that key only.
- Reboot your PC and enjoy.