Fix for Windows 10 Fall Creators Update

In October 2017, Microsoft rolled out Windows 10 Fall Creators update, release 1709. As with any update, there were some problems and some unintended consequences. One change was how the Windows memory manager works, which caused a problem for ExtendSim 9 and earlier such that it could hang up or crash on launch. 

If you are using ExtendSim 9 or earlier and are experiencing this problem, resolve the conflict with Windows 10 Fall Creators update by either:

Completing this form to download a replacement DLL.

Or, you could choose to download the revised ExtendSim 9.2 Updater which includes the updated DLL.

This affects ExtendSim 7.0 to 9.2 released prior to November 16, 2017. All ExtendSim software releases after this date include a fix for this issue.

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