After upgrading the Roon Client on my Windows 10 pc today - the Roon Client crashed every time I tried to open it. After some different attempt to restart the pc, installing the software (without removing first) etc… the following solved my problem:
I chose to completely remove the Roon Client by using Add/Remove Programme, and including saying yes to removal of database etc… after that it was possible for me to install a client that is working.
Just sharing. I appreciate it would not be the best option if you use your Windows 10 Roon installation as a server…