Error 0020-80070643 installing on Vista 64 bit

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  I am getting an error when trying to install Onecare, the error is 0020-80070643, which relates to Defender.

   

  I have tried all the suggested tools in the forums, but none seem to fix the problem.

  I have even searched to see if a restore point had defender mentioned, but they don't.

  Defender is running without issue.

   

  Anyone got any ideas before I go mad?

   

  Regards

  Rik

  Sunday, November 18, 2007 1:26 AM