This can be caused by a number of reasons, the most common is that Windows or your antivirus software block's it. Here are some steps to test it:
- Make sure you start the setup/program with administrator rights, to do this right-click the program and chose “Run as administrator”
- Second step would be to disable windows user account control and exclude Mionix from any antivirus software installed on the system.
- Third step would be to start your computer in windows safe mode and run/install the software from there. To start windows in safe mode please follow this guide: