Are there compatibility issues between IE7 Beta 2 PR and antivirus software?

The new IE 7 beta 2 PR version is not fully compatible with many antivirus software; for example, the McAfee interface may display abnormally (missing text and/or images), and some other antivirus software may conflict with the installation of IE7 beta2 PR. Additionally, Ferris claims to have found the first security vulnerability in IE7 beta2 PR and has issued a security advisory.