Index: /trunk/eraser/Eraser.Manager/EntropyPoller.cs
===================================================================
--- /trunk/eraser/Eraser.Manager/EntropyPoller.cs	(revision 2579)
+++ /trunk/eraser/Eraser.Manager/EntropyPoller.cs	(revision 2580)
@@ -338,4 +338,7 @@
 					return PrimaryHashAlgorithmCache = func();
 				}
+				catch (PlatformNotSupportedException)
+				{
+				}
 				catch (InvalidOperationException)
 				{
@@ -371,4 +374,7 @@
 					break;
 				}
+				catch (PlatformNotSupportedException)
+				{
+				}
 				catch (InvalidOperationException)
 				{