When opening Microsoft Office 2010, the user may receive an error:
Error Description: Pwrmapi has stopped working
Problem Event Name:BEX
Application Name: pwrmapi.exe
This is likely caused by a buffer overflow resutling from DEP (data execution prevention). The purpose of DEP is to prevent the execution of code from areas of memory that should be reserved for data only.
To exclude a a process or service from DEP, navigate to advanced system settings > performance options > DEP > add. Choose the excutable you wish to exclude from DEP and click ok.