Visual Studio 64 bit?

For numerous reasons, No. Why is explained in this MSDN post. First, from a performance perspective the pointers get larger, so data structures get larger, and the processor cache stays the same size. That basically results in a raw speed hit (your mileage may vary). So you start in a hole and you have to … Read more

How to compile a 64-bit application using Visual C++ 2010 Express?

Here are step by step instructions: Download and install the Windows Software Development Kit version 7.1. Visual C++ 2010 Express does not include a 64 bit compiler, but the SDK does. A link to the SDK: http://msdn.microsoft.com/en-us/windowsserver/bb980924.aspx Change your project configuration. Go to Properties of your project. On the top of the dialog box there … Read more

“An attempt was made to load a program with an incorrect format” even when the platforms are the same

If you try to run 32-bit applications on IIS 7 (and/or 64-bit OS machine), you will get the same error. So, from the IIS 7, right click on the applications’ application pool and go to “advanced settings” and change “Enable 32-Bit Applications” to “TRUE”. Restart your website and it should work.