Second run of *.exe ends with crash

[Nerver91]

Is there an existing issue for this?

• I have searched both open/closed issues, no issue already exists.

CefSharp Version

121.3.70.0

Operating System

Windows 10

Architecture

x64

.Net Version

.NET Framework 4.8

Implementation

WPF

Reproduction Steps

Install from nuget 121.3.70.0 CesfSharp version. Add wpf:ChromiumWebBrowser/ to XAML. Start application two times. Second start ends with crash.

CefSharpCrash.zip

Expected behavior

Working without crash

Actual behavior

Crash

Regression?

In version 119.4.30 it is working properly.

Known Workarounds

No response

Does this problem also occur in the CEF Sample Application

No

Other information

No response

[campersau]

See #4668 (comment) / #4668 (comment)

[amaitland]

Closing as duplicate of #4668

Expected behavior
Working without crash

Starting in version 120 a crash is expected as CEF now implements the Process Singleton which means Cef.Initialzie will return false for second process launch with the same cache path.

https://github.com/cefsharp/CefSharp/blob/cefsharp/121/CefSharp.Wpf/ChromiumWebBrowser.cs#L554