Fatal Execution Error
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down vote favorite 11 Summary: I periodically get a .NET Fatal Execution Engine Error on an application which I cannot seem to debug. The dialog that comes up only offers to close the program or send information about the error to Microsoft. I've tried looking at the more detailed information but I don't know how to make use of it. Error: The error is visible in Event Viewer .net runtime version 2.0 fatal execution engine error under Applications and is as follows: .NET Runtime version 2.0.50727.3607 - Fatal Execution Engine Error (7A09795E) (80131506) The computer running it is Windows XP Professional SP 3. (Intel Core2Quad Q6600 2.4GHz w/ 2.0 GB of RAM) Other .NET-based projects that lack multi-threaded downloading (see below) seem to run just fine. Application: The application is written in C#/.NET 3.5 using VS2008, and installed via a setup project. The app is multi-threaded and downloads data from multiple web servers using System.Net.HttpWebRequest and its methods. I've determined that the .NET error has something to do with either threading or HttpWebRequest but I haven't been able to get any closer as this particular error seems impossible to debug. I've tried handling errors on many levels, including the following in Program.cs: // handle UI thread exceptions Application.ThreadException += Application_ThreadException; // handle non-UI thread exceptions AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException; Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); // force all windows forms errors to go through our handler Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException); More Notes and What I've Tried... Installed Visual Studio 2008 on the target machine and tried running in debug mode, but the error still occurs, with no hint as to where in source code it occurred. When running the program from its installed version (Re
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.net Runtime Version 2.0.50727.8009 Fatal Execution Engine Error
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Runtime version 2.0.50727.5446 - Fatal http://kb.machsol.com/Knowledgebase/Article/50305 Execution... HOTFIX:.NET Runtime version 2.0.50727.5446 - Fatal Execution... Error Information .NET Runtime version 2.0.50727.5446 - Fatal Execution Engine Error (000007FEFA2740D2) (80131506) Issue Details You have a Windows service which was running perfectly fine fatal execution but recently it started crashing with Fatal Execution Engine Error (000007FEF9F5AF0E) (80131506) recorded in the event logs. https://connect.microsoft.com/VisualStudio/feedback/details/685127/net-runtime-version-2-0-50727-5420-fatal-execution-engine-error-000007fef9f5af0e-80131506-net-based-windows-service-crashing#details This was an issue which was fixed in .Net Framework 4.0 but was not back-ported to .Net fatal execution engine 2.0 Transferring the case to the Windows SDK team. Download Information The hot fix for your issue has been packaged and placed on an HTTP site for you to download. WARNING: This fix is not publicly available through the Microsoft website as it has not gone through full Microsoft regression testing. Package: ----------------------------------------------------------- KB Article Number (s) : 2669522 Language: All (Global) Platform: x64 Location: ( http://hotfixv4.microsoft.com/.Net%20Framework%202.0%20–%20Win7%20SP1,%20Windows%20Server%202008%20R2%20SP1%20(CBS)/sp2/DevDiv956583/50727.5719/free/444275_intl_x64_zip.exe ) OR http://www.machsol.com/downloads/patch/mspatch/444275_intl_x64.zip ----------------------------------------------------------- KB Article Number (s) : 2669522 Language: All (Global) Platform: i386 Location: ( http://hotfixv4.microsoft.com/.Net%20Framework%202.0%20–%20Win7%20SP1,%20Windows%20Server%202008%20R2%20SP1%20(CBS)/sp2/DevDiv956583/50727.5719/free/444274_intl_i386_zip.exe OR http://www.machsol.com/downloads/patch/mspatch/444274_intl_i386.zip ----------------------------------------------------------- KB Article Number (s) : 2669522 Language: All (Global) Platform: ia64 Location: ( http://hotfixv4.microsoft.com/.Net%20Framework%202.0%20–%20Win7%20SP1,%20Windows%