HPSF.exe has stopped working. This application has encountered a serious problem and must close, this seems to be the most common error if you are using any HP Device, and it assures a HP Software is installed on your Desktop or HP Laptop or notebook and in windows 7 operating system.
To Give you more information, this error is related to HP Support Assistant Application that is installed on your PC, follow the below steps on how to fix the HPSF.exe has stopped working error message.
Click on Start-->Control Panel--->Programs and Features
In the list select HP Support Assistant and click on uninstall, once the uninstall is done, reboot your machine and download the latest software from the below link and reinstall.This should reslve the "HPSF.exe has stopped working. This application has encountered a serious problem and must close" error, and you will never see it again.
Download HP Support Assistant
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