Firefox advises users to disable McAfee plugin

McAfee ScriptScan causes stability or security problems, Firefox reports

It's the last thing McAfee would want users to hear about one of its products, but the Firefox browser is advising users to disable McAfee's ScriptScan software, saying that it could cause "stability or security problems."

ScriptScan ships with McAfee's VirusScan antivirus program. It's designed to keep Web surfers safe by scanning for any malicious scripting code that might be running in the browser. But according to Mozilla it has an unintended side effect: It can cause Firefox to crash ... a lot.

In a note posted to its website, Mozilla said that the add-on "causes a high volume of crashes," and is "strongly encouraging" users to disable the software. The warning applies to all users of version 14.4.0 and below of the plugin, Mozilla said.

The Firefox browser started popping up warning messages Monday, advising that users disable the software

In McAfee user forums, there is a smattering of complaints about the Firefox problem.

The problem affects Firefox 7 users, according to Francie Coulter, a McAfee spokeswoman. "McAfee has identified the cause and is working actively with the Firefox team to resolve this issue and expects to roll out an update shortly," she said in an email message.

Robert McMillan covers computer security and general technology breaking news for The IDG News Service. Follow Robert on Twitter at @bobmcmillan. Robert's e-mail address is robert_mcmillan@idg.com

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