>Just google this text, you'll get lots of hits. For instance, http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=210432&SiteID=1

Thanks, I found that there is a mention about unchecking "Suppress JIT optimization on module load". At this point, this error has happened once so it is not possible to simulate. This makes it difficult to isolate the problem and be sure that this setting would be a factor.