MecSoft Corporation

A windows update applied to an existing 8.1 VisualCad 2014 install that worked. Now toolkitpro shows a fault.
Has anyone seen this?
Thanks

Faulting application name: VisualCAD 2014.exe, version: 3.0.0.17, time stamp: 0x53c6c03c
Faulting module name: ToolkitPro1610vc100x64U.dll, version: 16.1.0.0
Faulting application path: C:\Program Files\MecSoft Corporation\VisualCADCAM 2014\VisualCAD 2014.exe
Faulting module path: C:\Program Files\MecSoft Corporation\VisualCADCAM 2014\Plug-ins\VisualCAM 2014\ToolkitPro1610vc100x64U.dll

We run VisualCAD/CAM 2014 on multiple Win 8.1 computers at our shop but we have not seen anything like this.