A bit more info.  Actually, what prompted me to run Software Update was this message I got from Sewelltech that contained the link above.  The pertinent info is that the virus attempts to infect you by way of a bogus Flash installer.  Adobe should be very concerned about this mis-use of their corporate identity:

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Security Update OSX/Flashback.K Flashback.K, as the latest variant is called, is able to hijack Macs even when users don't enter an administrative password. Instead, it does this by exploiting a critical Java vulnerability classified as CVE-2012-0507, F-Secure researchers wrote in a blog post. Although Oracle released a fix for the security threat in February.  Flashback first surfaced in September as a trojan that masqueraded as an installer for Adobe's Flash Player. Over the past few months, it has taken on increasingly sophisticated features, including the ability to bypass built-in OS X malware protections and attack code that exploits long-ago patched Java vulnerabilities. The version analyzed by F-Secure is the first known time Flashback has exploited a vulnerability for which no fix is currently available.  Although Apple stopped bundling Java by default in OS X 10.7 (Lion), it offers instructions for downloading and installing the Oracle-developed software framework when users access webpages that use it. F-Secure has recently joined others in counseling Mac users to disable Java on machines that don't regularly use it. The antivirus provider also has provided instructions for checking if your Mac is infected.  Read this for more info on the Flashback malware  How to check if you are affected  Updates and Downloads Patches  Java for OS X Lion 2012-001 and Java for Mac OS X 10.6 Update 7  Downloads  OS X 10.6  OS X 10.7  If all of this sounds foreign to you or you need help checking or securing you Mac Systems Please Click Here to contact Sewelltech or give us a call at 214-845-8198, if we can answer any questions regarding this or any Apple service and sales needs.  If you are covered under a Seweltlech Service And Maintenance Agreement, no need to worry your systems have already been tested and patched.  David Sewell  Sewelltech, Inc.

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I can affirm that I've visited web sites in the past few weeks, and a pop-up told me that I didn't have Flash installed, and asked me if I want to install it.  I dismissed them, because I know Flash is installed.  That may have been a lucky fluke on my part.

I just ran an Ae render, and MP was working fine.

Jim C.