I don't think a google toolbar would slow down your connection that much, since it's not really doing too much. It sounds more like general connection issues, are you using wireless? I'm not a whiz on computers, but normally google's toolbar doesn't affect the speed at which you surf the net. Sorry i couldn't be more help.
Techie08
Junior Poster in Training
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I too agree with Techie's answer, toolbar don't affect the net speed. May be some sites which takes lot of time to load can affect the speed.
Robdale
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