Checking for SSE2 support in the PortableApps.com Launcher
More apps are requiring SSE2 support (Chrome, Opera, Firefox, etc) and yet some are still supporting an older OS like XP or Vista that may be more likely to be running on older chips (Firefox). Even though the chips are over a decade old, some are still in use. For apps where the app itself supports an older OS but does not support an older chip, here is code you can add to your custom.nsh file for a PortableApps.com Launcher for the app to alert to that effect: