windows server 2019 puppeteer launch failed WebSocketException: The server returned status code '503' when status code '101' was expected.

[namilkimfree]

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• Tried upgrading to newest version of PuppeteerSharp, to see if your issue has already been resolved and released?
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• Tried reproducing your problem in a new isolated project?
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Description

[Description of the issue] An error occurs when running the browser after downloading.

PuppeteerSharp.ProcessException: 'Failed to create connection'

Complete minimal example reproducing the issue

Complete means the code snippet can be copied into a unit test method in a fresh C# project and run. Minimal means it is stripped from code not related to reproducing the issue.

E.g.

// Arrange
   using var browserFetcher = new BrowserFetcher();
            await browserFetcher.DownloadAsync();
            await using var browser = await Puppeteer.LaunchAsync(
                new LaunchOptions { Headless = false });
            await using var page = await browser.NewPageAsync();
            await page.GoToAsync("http://www.google.com");

// Act
...


// Assert
...

Expected behavior:

[What you expect to happen]

Actual behavior:

PuppeteerSharp.ProcessException: 'Failed to create connection' WebSocketException: The server returned status code '503' when status code '101' was expected.

[What actually happens]

Versions

• Which version of PuppeteerSharp are you using?
• 6.2.0
• Which .NET runtime and version are you targeting? E.g. .NET framework 4.6.1 or .NET Core 2.0.
• dotnet 5

Additional Information

OS: Windows 2019 server Net version: NET Core 5 Puppeteer-Sharp Version: 6.2.0

Any additional information, configuration or data that might be necessary to reproduce the issue.