I am running Twonky server to push photos to a Pix-Star photo frame from a Windows 7 PC.
Usually runs ok but fairly often I get the following message:
"Impossible to access UPnP/DNLA source (code:4,retry: 125)
And the display sticks on the present photo and I have to go back to the menu in the photo frame, select the server and start again.
The code is usually 4 but the retry number varies.