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Visual Glitches within Burp, on secondary screen

Frank | Last updated: Jun 19, 2022 10:59AM UTC

Hello, For the last couple of versions, I have encountered weird visual glitches of Burp Suite. Video showing the issue: https://www.youtube.com/watch?v=BgXuIyel_MI At 0:40, it even shows the content of the other Burp window that is in the background. The popup appearing comes from the foreground window though. In the video, I move the mouse as I have the impression that triggers it faster. I do not click anywhere unless I change screens. Sometimes this issue happens very fast; sometimes, I use Burp without encountering it. (But that might relate to the screens used in the individual sessions, see next paragraph) During testing for the recording, I noticed that this bug appears to happen on the secondary screen only. Moving the glitching window from the secondary screen to the primary one, the glitching stopped. Moving it back to the secondary screen and the glitching started again. It might be related to this bug report from 2020, but that post lacks further information: https://forum.portswigger.net/thread/burp-glitches-on-addidional-screen-537fb1c1 Best regards Frank

Frank | Last updated: Jun 19, 2022 11:09AM UTC

OS: Windows 10 Screen scaling is not used on either screen

Frank | Last updated: Jun 19, 2022 05:20PM UTC

Right now, I encountered the same issue happening on the primary screen as well. So it was a fluke earlier that it only appeared on the secondary screen during recording.

Liam, PortSwigger Agent | Last updated: Jun 20, 2022 12:14PM UTC

Thanks for your message, Frank. Could you send me your diagnostics information? You can find this by going to "Help > Diagnostics" within Burp.

Frank | Last updated: Jun 20, 2022 04:29PM UTC

Hello Liam, thank you for the response. You can find the diagnostics output at https://www.dropbox.com/s/ke180q9j13onjxp/burp_diagnostics.txt?dl=0 Best regards Frank

Liam, PortSwigger Agent | Last updated: Jun 21, 2022 12:12PM UTC

Thanks, Frank. We haven't been able to trigger this issue in our testing. To help us reproduce the issue, could you let us know if there is anything else running on your machine?

Frank | Last updated: Jun 28, 2022 03:30PM UTC

Hello Liam, My usual setup is: - Burp - a few different browsers (Firefox and Chrome, sometimes Opera) - a WSL2 shell - Total Commander - Visual Studio Code - Flameshot In the background, Dropbox is running. Best regards Frank

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