Dave Massy, a senior program manager for IE, warned users in a blog posting that after , IE will render XML files as a blank page, including XML files that have an XSLT transformation.
Microsoft did not make clear what versions of IE were affected, but a user of the DeveloperDex forum said he experienced the problem on version 6 of IE, which had been patched with Windows Service Pack 2.
Microsoft said it is investigating the problem and will work with Netscape to resolve it. It advised a "workaround" of uninstalling Netscape 8 and editing the registry settings.
One reader of the blog said the rendering problem could be a problem with IE, rather than Netscape. He suggested that such a feature could be useful for Microsoft as it would deter users considering a migration from IE to Netscape.
But another reader, Chris Beach, came to Microsoft's defense. "Cue endless conspiracy theories about Microsoft's 'dirty tactics.' Honestly, the rubbish you (Microsoft) have to put up with...my heart goes out to you guys. Keep up the good work with IE 7," he said.
This issue could be another blow to Netscape, which released Netscape 8 only two weeks ago. Just a day after launching Netscape 8 and touting the browser's security features, the companyseveral serious flaws.
Ingrid Marson of ZDNet UK reported from London.