Michael

As mentioned, we are using WinForms. If that's not what you're asking, please elaborate. The edge://crashes-page does not provide any crashes afterwards. To me it seems that the new tab...

Also works for me on Canary, version 137.0.3275.0, using CoreWebView2ChannelSearchKind.LeastStable! From what I recall, the window usually closes after starting the download & opens the downloads-popup in the original tab...