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dotnet/releases/net471/KnownIssues/489937-WPF Touch and Stylus...

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WPF Touch/Stylus Generates AccessViolations and Heap Corruption in GetPenEventMultiple

Symptoms

On a touch or stylus-enabled machine, WPF applications may sometimes corrupt memory and crash in the internal function GetPenEventMultiple in the PenIMC2_v0400 DLL.

Cause

This is due to the release of a COM object that is later used in the WPF touch stack.

Resolution

This issue is fixed for all supported OS platforms prior to Windows 10 Fall Creators Update. The fix for Windows 10 Fall Creators Update is expected in a future servicing update.