If you are using the Adobe LiveCycle RightsManagement ES2 Extension for Microsoft Office with Acrobat/Reader 10.1.4 then you may experience an application crash in Acrobat/Reader. You will see the following error in the Eventviewer log:
Event Type: Error
Event Source: Application Error
Event Category: None
Event ID: 1000
Faulting application acrobat.exe, version 10.1.4.38, faulting module acrobat.dll, version 10.1.4.38, fault address 0x00021212.
This is an issue with Acrobat/Reader 10.1.4 affecting compatibility with this LiveCycle plugin.
This issue is fixed in Acrobat/Reader 10.1.5 and later versions.