Well, that didn't take long.
A day after
"Thank you for your interest in joining the Microsoft Security Essentials Beta. We are not accepting additional participants at this time," Microsoft said in a posting on its Web site. "Please check back at later a date for possible additional availability."
Microsoft Security Essentials is the free product that Microsoft promised it would create last year, at the same time the software maker said it was.
The program hits the antivirus basics, including built-in and customizable scan options, a scheduler, automatic definition file updates, a real-time defense shield, and rootkit protection. It's also similar to other free products on the market, such as those from AVG and Antivir.
Download.com's Seth Rosenblatt contributed to this report.