If there are phenomena such as failure to start, do not use the official website version 4.3, install the old version 4.1
sudo dpkg -i todesk_4.1.0_amd64.deb
If there are phenomena such as failure to start, do not use the official website version 4.3, install the old version 4.1
sudo dpkg -i todesk_4.1.0_amd64.deb