Our website uses some external assemblies like AjaxControlToolkit.dll, AjaxMin.dll, DocumentFormat.OpenXml.dll and some more.
They are registered in the References-Node. All worked fine, but after the latest windows Update, I got the following error:
Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. Strong name signature could not be verified. The assembly may have been tampered with, or it was delay signed but not fully signed with the correct private key. (Exception
from HRESULT: 0x80131045)
If I check the AjaxControlToolkit.dll with the tool sn.exe, it shows, the dll is valid. I have also tried to compile the AjaxControlToolkit with the source code. I have signed it with a strong name and the sn.exe has shown valid. I have tried to install
ist to the global assembly cache with the gacutil.exe, but this fail although with the same problem, it has a problem with the strong name, also i have ...
Go to the complete details ...