Tag Archive for Visual Studio

[VS] Solution to “Changes to 64-bit applications are not allowed”

One of the most popular features in the Visual Studio debugger is the ability to edit code during a debug session and have the changes apply without having to stop the debugger, recompile the application and then run the application to verify the changes. This feature is affectionately known as “Edit and Continue” or “E&C” for short.

Unfortunately, Edit and Continue isn’t supported on 64-bit. In fact, if you try to use Edit & Continue when debugging a 64-bit application, you get the following error message: “Changes to 64-bit applications are not allowed”, as shown below.

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x64: Problem “The ‘Microsoft.Jet.OLEDB.4.0′ provider is not registered on the local machine.” and Solution

There are times when the coexistence of x64 and x86 code on the same machine can cause all sorts of seemingly strange issues.

Recently I was getting the following error:

The “Microsoft.Jet.OLEDB.4.0” provider is not registed on the local machine.

I think the error is generally due to either of two things:

  • you don’t have Office 2007 / 2010 Jet driver installed on your Windows;
  • or you are running a x86 application in a default x86 enviroment.

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