It seems that there might be an issue with the installer of the "CubeTheSphere" program for Windows. To resolve the problem, you can try the following steps:
1. Check your internet connection to ensure it is stable.
2. Disable any antivirus or firewall temporarily and try downloading again.
3. Make sure you have sufficient disk space on your computer.
4. Try downloading the installer from a different source or website, if available.
5. Contact the support team or developer of CubeTheSphere for further assistance if the issue persists.