Screen Share Not Working on Windows
Author: Manny-26Created Sep 5, 2026Updated Sep 17, 2026
LabelsBug
Using a supported version?
- I have searched open and closed issues for duplicates.
- I am using Signal-Desktop as provided by the Signal team, not a 3rd-party package.
Overall summary
Screen Share button is completely unresponsive during a call. When clicked the error messages from the screenshot are logged to the terminal, but no traditional error messages occur.
Steps to reproduce
- Start a call
- Click Screen Share button
- Nothing ️️
Expected result
Screen Share target selection should appear.
Actual result
Button has no response.
Screenshots
Signal version
8.26.0
Operating system
windows 11
Version of Signal on your phone
Android 8.25.2
Link to debug log
Source: signalapp/Signal-Desktop