TCP-Z - The Best TCP/IP Patcher for All Windows OSes

If µTorrent is bogging down your high-speed Internet connection - whereby web browsing becomes extremely slow or either stops altogether - symptoms point towards an unpatched TCP/IP half-open limit. Most patchers directly modify the TCPIP.SYS file, which usually results in undesirable MS security issues and/or false positives from antivirus software. TCP-Z is different, as it [...]

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I also recommend CfosSpeed - you can set priority to all programs using internet. For example - you say first - browse web, second - send my skype messages and at least when all is done - upload torrents.