An error occurs during installing the Windows service pack 2 which is similar to the following:

Data Execution Prevention – Microsoft Windows
To help protect your computer, Windows has closed this program.
Name: program name
Publisher: program publisher

And this is mostly occurred when you are using the data execution prevention feature and this error is occurred if the application which does not support the data and to avoid damages caused due to viruses and even other security threat which attack during the operation of the program which execute malicious code from the memory which will be used only by windows and other programs and these threat damages our system.

Whenever you receive any such error which mentioned in the Symptoms section and click on the settings and click to select the check box which is next to your program and after that click on the apply and when you are asked to restart your computer click on the ok for two times and restart your computer.

Or else right click on the My computer and select the properties and search for the advanced tab and click on it and again click on the performance an after again click on the setting option in the performance option and click on the Data prevention tab an click on the add and if you want to enable the add button you have to confirm whether your radio button that says Turn on DEP for all programs and services except for those I select.

And in the open dialogue box locate the program and click on it and apply and save the changes and click ok to restart your computer.