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The one that is registered in the Windows\System32 folder
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The one that is registered in the Windows\System32 folder

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So there is nothing we can do unless we get the user to update ntdll.dll to the required version.
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So there is nothing we can do unless we get the user to update ntdll.dll to the required version.

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Not the answer I was hoping for but the correct one.
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Not the answer I was hoping for but the correct one.

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We have found that there are a number of different versions of ntdll.dll out there.<br />
<br />
Some of these seem unstable and give our program Access Violations.<br />
<br />
We have found one version which is stable. <br />
<br />
I do not want to amend the ntdll.dll in the users Windows\System32 folder so my question is if I put the known stable ntdll.dll in our program folder which ntdll.dll will Windows use for our application.
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We have found that there are a number of different versions of ntdll.dll out there.

Some of these seem unstable and give our program Access Violations.

We have found one version which is stable. 

I do not want to amend the ntdll.dll in the users Windows\System32 folder so my question is if I put the known stable ntdll.dll in our program folder which ntdll.dll will Windows use for our application.

Multiple copies of ntdll.dl

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.