Windows 7 Pro, AMD Radeon HD 6490M, HP Pavilion DV7 laptop with Intel i7
Broken: 2.75, 2.75a
Short description of error
Blender shuts down suddenly when clicking on the System tab in user preferences, also when selecting "System Info" in the Help menu (which is why I've included the system-info file generated from a 2.74 version).
Exact steps for others to reproduce the error
Open Blender > Go into User Preferences > Click on System tab (crashes)
Open Blender > select Help > System Info from the menu (crashes)