This article refers to legacy products, components or features. Therefore, the content in this article is offered "as is" and will no longer be updated. This content does not infer that the product, component or feature is supported, or that the product, component or feature will continue to function as described herein.


Assemblies appear to have lost its signature and / or appears to be delay-signed. However, the public key token for the assembly is correct. This occurs between the assembly being loaded from the database and written to the file system.

Error Messages

The following error message applies to this article:

  • "Strong name validation failed. (Exception from HRESULT: 0x8013141A)"

Error Resolution

This Hotfix is contained within the latest K2 blackpearl 0807 Update. Install the update package to resolve the error.

The latest K2 blackpearl 0807 Update is available as an independent installation package which can be found here: https://portal.k2.com/downloads/bp/default.aspx