“RICOH THETA for Windows®/Mac” version 2.3.4, released on April 27, cannot be installed since May 2. We have replaced version 2.3.4 with version 2.3.3 on the download site.
If you have been installed version 2.3.4 successfully, you can use it without problem.
We apologize for any inconvenience caused and thank you for your understanding in this matter.