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Classic Desktop: Crashes in jscript9.dll

Last updated on 12 November 2025

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M-Files Desktop

Overview

In some rare cases, you may get crashes within the jscript9.dll assembly when using the Classic Desktop client. You can find entries in the Windows Event Log similar to this one:

Faulting application name: Explorer.EXE, version: 10.0.26100.4768, time stamp: 0xbd2489c5

Faulting module name: jscript9.dll, version: 11.0.26100.4768, time stamp: 0x52f82430

Exception code: 0xc0000005

Fault offset: 0x00000000000a4e3d

Faulting process id: 0x64C4

Faulting application start time: 0x1DC1622F9ABBA34

Faulting application path: C:\WINDOWS\Explorer.EXE

Faulting module path: C:\Windows\System32\jscript9.dll

Report Id: c2995a1f-48d7-415e-947d-1e88c13932da

Faulting package full name: 

Faulting package-relative application ID:

 

Workaround

Use the M-Files new Desktop Client. 

It does not use the jscript9.dll module from the OS.

You can read more about it in the following resources:

Note that it requires the gRPC protocol.

This article can help you enable it: Switching from RPC to gRPC in an M-Files System.pdf.

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