If you look for the NaClWebPlugin in a modern version of Chrome today, you might find it disabled or missing entirely.
Are you trying to involving this plugin, or are you developing an app that needs native performance? naclwebplugin
The app is trying to run native code that isn't supported by your current hardware or browser version. If you look for the NaClWebPlugin in a
Required developers to compile different binaries for different CPU architectures (x86, ARM, etc.). naclwebplugin
stands for Native Client . The naclwebplugin is the specific browser plugin (primarily for Google Chrome and Chromium-based browsers) that allows the execution of native compiled code (C and C++) directly within the browser environment.