Microsoft has released a fix for a problem with the anti-phishing filter in Internet Explorer 7.
Users have been reporting that the browser's new phishing filter was slowing their PC's performance as it evaluated the security of web pages that contained a lot of frames.
"When you use Windows Internet Explorer 7 to visit a web page, the computer may respond very slowly as the phishing filter evaluates Web page contents," Microsoft admitted.
Microsoft introduced the filter in Explorer 7, released in mid-October, as a way of warning Web surfers when they might be visiting untrustworthy websites.
The new patches are for Windows XP and Windows Server 2003 versions of the browser, but not for users running the browser on Windows Vista.
Original reporting by IDG News Service.
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