You must enter your EncryptKey in the /web.config file!!! Open that file in Notepad, and see the instructions.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentException: You must enter your EncryptKey in the /web.config file!!! Open that file in Notepad, and see the instructions.
Source File: d:Domainsmydomain.comwwwrootApp_CodeGlobal.asax.cs Line: 63
The reason for this error is that you have missed an important step in configuring AspDotNetStorefront and have not entered an Encryption Key in your web.config. Please review the AspDotNetStorefront instructions and edit the web.config accordingly.