Event message: An unhandled access exception has occurred (IIS 7.5, cannot load website)

Question

I deployed the Nuget source code to my company\'s web server, but when navigate to the URL, I get the following error (pulled from Event Viewer on the server):

Answer 1

I had this exact error - the only solution that worked was setting the app pool's Enable 32-bit Applications advanced setting to True.

Update: As I continue to have issues with a particular solution, I've found that clearing the C:\WINDOWS\Microsoft.NET\Framework\v4.xxx.xx\Temporary ASP.NET Files\ resolves the issue in most cases.