Default How can I delete the 4.4.2 update without applying it?

Stock AT&T 4.4, not rooted. Still thinking about root.

I thought I've frozen update, Motorola OTA, and FOTA. But apparently I forgot.

Now I kept getting "New System Software Avaiable" notification.

Anyway to get rid of this notificaiton without applying the update?

I've tried to connect my device via USB to ADB but the computer does not seem to recognize it any more. Not even the camera / MTP connection works.

Thanks
gTablet, DRH Jelly Bean 4.3
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Moto X XT1058, AT&T 4.4
Samsung Galaxy S4 i337, AT&T, 4.3 rooted