very slow broadband internet

my broadband internet has become very very slow since i downloaded avg antivirus. i am with sky broadband and my brother is connected to the same network on his pc and his connection is very fast. can anyone help me. i am running xp home edition

  birdface 19:26 27 Jul 09

Stop Avg from running at start up.Either set it to run at a different time.Or stop it running automatically and start running it manually at a time which suites you.

  birdface 19:53 27 Jul 09

Tools.Advanced settings.Schedules.Scheduled scan.
Untick. enable this task.Apply Ok.Or just change the time for it to scan.

Now it has this.

Computer scanner.change scan setting.Quick scan move slider to the right,Slow scan move it to the left.Quick scan uses up a lot of the CPU.

While in there.Click additional scan settings.And you can tick the square and once the scan is finished it will power down the computer so ideal if you are going out or whatever.Saves it from running at start up.

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