You folks have been patient and great with answering my questions. I originally joined because of my new S7, but am "experimenting" with my Nexus 7 (2012) and my S3 with apps, launchers, et al. Okay my S3 is from Verizon. For the last 18 months or so it has occasionally given me the error notice that "Touchwiz has stopped working" I click "OK" and my phone goes working merrily along. Today I downloaded Nova Launcher, paid edition and installed it. Within an hour, while setting it up, I got the message that "Nova Launcher has stopped working" Once again, I click "OK" and my phone goes merrily working along. Any idea of what is happening?