使用在Excel 2013中基于.NET的Windows应用程序中运行良好的DLL时，它会崩溃clr.dll：
Application: EXCEL.EXE
Framework Version: v4.0.30319
Description: The process was terminated due to an internal error in the .NET Runtime at IP 6F033A0F (6EDA0000) with exit code 800703e9.
Faulting application name: EXCEL.EXE, version: 15.0.4833.1000, time stamp: 0x573ac30d
Faulting module name: clr.dll, version: 4.6.1076.0, time stamp: 0x56d7a0ff
Exception code: 0x800703e9
Fault offset: 0x00293a0f
Faulting process id: 0x10d4
Faulting application start time: 0x01d1dceab78fdb9a
Faulting application path: C:\Program Files\Microsoft Office 15\root\office15\EXCEL.EXE
Faulting module path: C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll
Report Id: 1b887d31-48de-11e6-bbcc-005056c00008
计算机已在Windows 7上安装了VSTO 2010并应用了所有更新。
升级到4.6.2后，崩溃仍然存在：
Application: EXCEL.EXE
Framework Version: v4.0.30319
Description: The process was terminated due to an internal error in the .NET Runtime at IP 57F3288A (57C80000) with exit code 800703e9.
Faulting application name: EXCEL.EXE, version: 15.0.4833.1000, time stamp: 0x573ac30d
Faulting module name: clr.dll, version: 4.6.1532.0, time stamp: 0x56e76357
Exception code: 0x800703e9
Fault offset: 0x002b288a
Faulting process id: 0x12c4
Faulting application start time: 0x01d1dcf3ff640774
Faulting application path: C:\Program Files\Microsoft Office 15\root\office15\EXCEL.EXE
Faulting module path: C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll
Report Id: 6b1fe8ad-48e7-11e6-ae61-005056c00008
在运行4.5.2的其他设备上，不会发生此问题。它可以是PC绑定的，也可以是.NET版本。
有谁知道什么可能会触发clr.dll的内部错误？