Hi dingdini,
Tahsnk a lot, i checked the Extension and i haveit LOADED No. Then i Uninstalled the driver and install the last one version. Then i not Restarted the system with the Installer option. I went to teh Preferences -> Security and restart it and giver permision.
Then my Studio KB37 works again and i have no more red clipping blink light!!!!!
And the Extension it has LOADED YES.
Thanks