Could not load file or assembly ‘PresentationCore’ or one of its dependencies. An attempt was made to load a program with an incorrect format.

After copying a web site to a 64bit server with IIS 7, I was getting the following error message: Could not load file or assembly ‘PresentationCore’ or one of its dependencies. An attempt was made to load a program with an incorrect format. although everything was working fine when running the site on my machine […]

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Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. Access is denied.

I was getting the following error message when I was trying to access a web application using the Ajax Control Toolkit on a new server: Could not load file or assembly ‘AjaxControlToolkit’ or one of its dependencies. Access is denied. Looking deeper, I found out that the error 0x80070005 was raised. Reading various threads and […]

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