Please edit TuneBrowser.ini file.
(Folder is C:\Users\<UserName>\AppData\Roaming\Tiki\TuneBrowser)
[UPnP]
PortBase=<Port base number>
Default <Port base number> is 10900. TuneBrowser generates port numbers for services based on this number.
I’m sorry but I have not tested this method. Therefore, it may not work as expected.