Microsoft has warned of a serious security hole in Internet Explorer. If you are using this browser you are at risk of having the computer hijacked, emails, credit cards and bank accounts hacked.
"Microsoft has issued a global warning that there is a security hole that allows hackers to install malicious scripts." Christchurch Press 2 Feb 2011
Users of other browsers such as Firefox or Google Chrome are not affected.
If you are using Explorer:
scroll down to fix it under the enable heading
follow the download and installation instructions