Toolbar on google chrome that won't go away. Help!?

I accidentally installed "InternetHelper1.5 Tool Bar" and I just want to get rid of it. I tried going to the control panel and I did uninstall and restart my computer and it's still there. When I went to go try uninstall it again the program wasn't on the list anymore. It's been making my... show more I accidentally installed "InternetHelper1.5 Tool Bar" and I just want to get rid of it. I tried going to the control panel and I did uninstall and restart my computer and it's still there. When I went to go try uninstall it again the program wasn't on the list anymore. It's been making my computer slow and I just want it gone, but have no idea what to do from here. I have Norton security if that helps. I thought that would block it or something but it didn't. Any way to use Norton to get rid of it possibly?
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