diff -r 361e324a0ed4 -r 105939e4eb7e Hardware/HDD/HDDGroup.cs
--- a/Hardware/HDD/HDDGroup.cs	Tue Jan 26 22:37:48 2010 +0000
+++ b/Hardware/HDD/HDDGroup.cs	Wed Jan 27 18:12:51 2010 +0000
@@ -60,9 +60,12 @@
             string name = SMART.ReadName(handle, drive);
             if (name != null) {
 
-              SMART.DriveAttribute[] attributes =
+              SMART.DriveAttribute[] attributes = 
                 SMART.ReadSmart(handle, drive);
 
+              if (attributes == null)
+                continue;
+
               int attribute = -1;
               for (int i = 0; i < attributes.Length; i++) {
                 if (attributes[i].ID == SMART.AttributeID.Temperature) {