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Tag: Universal Runtime

Which DLLs can I move and where?

After seeing this conversation on the forums, I thought it would be helpful to run through why you can move some of your app’s DLLs but you cannot move others.

On Windows, the Visual Studio C Runtime DLLs can be in one of two locations on systems that do not already have them installed. All versions of Windows prior to Windows 10 would need these installed.

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Windows App Requirements

Microsoft refactored their core app runtimes in 2015. They have made what they call a “Universal C Runtime” which has been distributed via Windows Update to all supported versions of Windows that stay up-to-date (which is the default behavior for Windows Update).

Starting with Xojo 2016r1, the Xojo Windows framework has been updated to use the latest Microsoft tools. This allows Xojo to stay up to date and allows the Windows support to be improved in future releases. This means that Xojo itself now uses the new Universal Runtime and your built apps now require it.

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