Hello and welcome to the forum.
First try it without this driver
sptd.sys go here Link Removed grab the correct version for your architecture and run the program and be sure to choose the UNINSTALL button.
If Blue Screens persist you may want to try it without your Symantec Norton product installed. Uninstall it completely using the programs uninstaller or the programs and features applet in the control panel. Follow that up with this vendor specific proprietary removal tool Link Removed
Replace it for now with MSE from here Link Removed due to 404 Error
If still no joy you have a few third party drivers that pre-date Windows 7 RTM which may need to be upgraded, updated, uninstalled, etc., use Google and see what you...