Razer Synapse 4 can install Razer Viper Ultimate (old) but, can’t install “Razer Mouse Dock Chroma”. Retry button does not works.
There is no issue with Synapse 3.
Here are the logs of Synapse:https://drive.google.com/file/d/1j0ak5GKxTshR-BgU1dYhPS6PssKSUqZU/view?usp=sharing
Here are some screenshots: