1 If necessary, check the Check for updated definitions before scanning check box. 2  If necessary, check the Run a scan only when system is idle check box.  Click Save. Now, every day at 11:00 a.m. (in this example), if the computer is on, Windows Defender will do a quick scan of your computer's hard drive.
Atwell Island Land Retirement Demonstration Project Atwell Island is located within the southeastern portion of now-drained Tulare Lake which as recently as 100 years ago was the largest freshwater lake west of the Mississippi River.twell Island is currently home to federally listed and sensitive animal species including mountain plover, Tipton's kangaroo rat, and the San Joaquin kit fox, tricolored blackbird, burrowing owls, horned lizards, and the blunt-nosed leopard lizard.
Atwell Island Herbarium This Herbarium lists the plants on the Atwell Island Restoration Project. Its most recent update was February, 2010.twell Island Herbarium This Herbarium lists the plants on the Atwell Island Restoration Project. Its most recent update was February, 2010.