Can’t access IEx or Safari browsers after Kaspersky/Malwarebytes Installs.?

I ran Kaspersky Internet Security 2009 to clear a virus and to get rid of a "Spyware alert!" box that kept poping up saying that my computer was infected by spyware. KIS09 cleaned my system but didn't get rid of the popup. I inquired on this site what I should do and a few mentioned to install Malwarebytes' Anti-Malware and I did and it cleared the pop-up problem. However, since both scans, I'm unable to connect to Internet Explorer or Safari, but I'm not really sure which anti-virus software caused this because I ran KIS09 on 4/21 and Malwarebytes on 4/23. Because I thought Kaspersky might have been the culprit, I uninstalled it, but I still cant access either browser. Can someone please help? Thanks.

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