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Applications open IE on Vista

From MozillaZine Knowledge Base

On Windows Vista, some applications open Internet Explorer when you click on links even if your default browser is Firefox. Known applications with this problem:

  • Yahoo! Messenger
  • Free Download Manager
  • avast! Antivirus

To work around this problem:

  1. Start -> Default Programs -> Set default programs for this computer
  2. Expand custom
  3. Select the radio button for Firefox
  4. OK

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