Acrobat Reader Windows 64bits crash when 3rdParty Plugin installed
Steps to reproduce:
1. Install Acrobat Reader 64bits on Windows
2. Install any 3rdPargy Acrobat Reader plug-in, e.g. the "BasicPlugin" from Acrobat SDK samples
3. Launch Acrobat Reader 64bits
4. Acrobat Reader 64bits was launched, but after 3~4 seconds, Application crashed.
Screenshots & debug call stacks:


Notes:
* Only an issue on Windows
* Only an issue on Acrobat Reader 64bits. Plug-in works fine on Acrobat 64bits and Acrobat Reader 32bits.
Please consider fixing the crash.
