Ok, I just upgraded my Windows 8 to Windows 8.1 yesterday. Since the previous version of my Bitdefender Internet Security 2013 is not compatible with Windows 8.1 and I get the offer to free upgrade my Bitdefender to compatible with Windows 8.1.
Now a big problem come.
I found that I can't access my internet after I installed my Bitdefender, and this problem was solve after I turn off my Firewall.
Can anyone help me on this? Thanks. 