dotnet / dotnet/aspnetcore

[WebToolsE2E] When debugging the Blazor Web App~WebAssembly/Auto application in VS Code, the browser page displays a blank page.

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area-blazor investigate Needs: Attention :wave:
Dominant language
C#
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Description

**REGRESSION INFO**: Not repro on SDK 10.0.106

**INSTALL STEPS**

1. OS: window x64
2. Install the SDK 10.0.201
3. Install VS Code stable - 1.114.0
4. Install Feb Stable C# DK 3.10.7 [include C# 2.130.5]

**REPRO STEPS**
1. Open VS Code > Create .NET Project > Blazor Web App~WebAssembly/Auto > create a folder > give a name > create project
2. Debug > Start New Instance

**NOTE**:
1. This issue does not repro when running this project using "Start without Debugging".
2. This issue only occurs the first time you open VS Code and create a Blazor~webassembly project. If you close VS Code and reopen the project or recreate the project, this issue will not reappear.
3. This issue does not repro when running this project using CMD.
4. Not repro on Blazor Web App ~ Server project.

**ACTUAL**
The browser page displays a blank page.

Image

**EXPECTED**
Browser page loaded successfully.

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