Won't recharge or recognize

I needed to uninstall Norton for an unrelated issue. After reinstalling I noticed that the The Clip was no longer charging. For that matter, when plugging it in to my pc it wasn’t even recognized that a Sansa device was plugged in. So I decided that I would do a system restore. To see if settings had been screwed up. Well, the restore took me back to the point where I’d had to uninstall the Norton product in the first place. But at that point I plugged in The Clip and it was back to charging! So then I reinstalled the Norton product. But after that The Clip would again no longer charge. So…anybody have any ideas?