are you using (e.g., a specific telecom or a private IPTV service)? Did this start after a Windows update Are you able to log in on a mobile device using the same credentials?
: Users can manage their account, check plan status, and perform rescans through the MyDialog App or by dialing #678# on a Dialog mobile .
Based on the search results, the Dialog Play app (formerly referred to as MyTV or associated with ViU) is the primary PC-compatible client for watching Dialog Television
It seems you're asking for a text description or explanation regarding the — possibly referring to a pop-up dialog box that appears when the PC client is at full screen, or a dialog that says "storage full," "buffer full," or "dialog box covering the full interface."
Users are reporting an issue with the MyTV PC Client where specific dialogue windows are rendering in a "full" state—either completely filling the screen without standard window controls or truncating content because the dialogue box has exceeded its maximum display boundaries. This prevents users from interacting with necessary buttons (e.g., "OK," "Cancel," or "Settings") and effectively interrupts the workflow.
: Search for "Dialog MyTV" in the Play Store and click Install .