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Fix In Review for 2021.2

Fix In Review for 2020.2

Planned for 2019.4, 2021.1



Found in





Issue ID




Crash on System.Net.Sockets.Socket:QueueIOSelectorJob when using a VPN and opening a project that uses Visual Studio



Reproduction steps:
1. Connect to NordVPN
2. Create a new project
3. If the External Script Editor is not set to Visual Studio 2019 or Visual Studio 2017 by default, go to Edit > Preferences > External Tools and select VS 2019 or VS 2017
-- observe crash

Reproducible with: 2020.2.3f1, 2021.1.0b5, 2021.2.0a3
Could not test with: 2018.4.31f1, 2019.4.20f1 (editor would crash/freeze because of case 1025558)

Reproducible with:
- Microsoft Visual Studio Community 2019, version 16.5.2
- Microsoft Visual Studio Community 2017, version 15.9.25
Not reproducible with:
- Visual Studio Code, version 1.52.1
- JetBrains Rider, version 2020.1.0

Tested with: NordVPN

- If the crash doesn't occur after changing the External Script Editor, close and reopening the project
- Crash is reproducible with and without the Visual Studio Editor package
- From user reports, this issue seems to be affecting SurfShark users as well
- Before the crash, the editor may freeze on "EditorApplication.update"
- Crash does not seem to be reproducible with the same steps if the VPN is enabled after opening the project

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