Removing add-ons in Win XP

Most of the sites I visit including this site have a bar near the top of the screen saying `This website wants to run the following add-on :`Adobe Flash Player`.If you trust the website etc ---.
How can I stop this bar appearing permanently?

  birdface 17:45 08 Jun 10

Have you got the latest flash player update downloaded.
If not remove the old versions and install the latest one.

  birdface 17:46 08 Jun 10

Or make sure it is Enabled in Add Ons.

  mooly 17:47 08 Jun 10

Do you have flash player already installed ?

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