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Date/Time: Fri, 28 Aug 2026 17:44:31 +0000



UserContributedStudies_64.dll loading error 193 on Windows 11 ARM (Apple M2 / VMware Fusio

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[2026-07-14 08:13:31]
Nussi61179 - Posts: 1
I have compared two nearly identical Sierra Chart installations:

System 1

Intel iMac
VMware Fusion
Windows 10 x64
Sierra Chart 2899
UserContributedStudies work correctly.
System 2

Apple MacBook Pro M2
VMware Fusion Professional 25H2 (24995814)
Windows 11 ARM
Sierra Chart 2899
The file UserContributedStudies_64.dll is identical on both systems.

Standard Sierra Chart studies work correctly.

However, all User Contributed Studies are missing on the ARM system.

The Message Log reports:

vbnet
kopieren
herunterladen
UserContributedStudies_64.dll loading error.
Windows error code 193: %1 is not a valid Win32 application.
InternalVersionNumberToFileNameMap is empty for UserContributedStudies.
I found previous Support Board discussions indicating that ARM64 support for UserContributedStudies is still being worked on.

Is this still a current limitation, or is there now a workaround or newer ARM-compatible UserContributedStudies DLL available?
[2026-07-14 15:37:58]
John - SC Support - Posts: 47693
An ARM compatible UserContributedStudes.dll file is available with all releases at this time.

Make sure you are running the ARM version of the Sierra Chart executable in order for the system to pick up and use the ARM version of the User Contributed Studies.
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