Mac OS X security fix breaks 64-bit code | The Register

Apple's most recent Mac OS X Security Update, released on Monday, causes 64-bit applications to malfunction, it has emerged.

However, the Mac maker today issued a fix for the problem, posting Security Update 2005-007 version 1.1 via its Software Update tool.

Software developer Wolfram Research, which was one of the first companies to ship 64-bit Mac software after last year's release of the Power Mac G5, alerted users of its Mathematica application to the problem on Tuesday.