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 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 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:
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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

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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%20Server%202008%20R2%20SP1%20(CBS)/sp2/DevDiv956583/50727.5719/free/444276_intl_ia64_zip.exe )

OR

http://www.machsol.com/downloads/patch/mspatch/444276_intl_ia64.zip

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NOTE: Be sure to include all text between '(' and  ')' when navigating to this hot fix location!

Applies To

Windows Server 2008.

Installation Instructions

1. Download appropriate file according to your platform.
2. Run the file to apply the hotfix.
3. Reboot the server.

System Requirements

Windows Server 2008

Microsoft .Net Framework 2.0

Microsoft .Net Framework 4.0