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Date/Time: Tue, 14 Jul 2026 10:20:01 +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?

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