diff -r 65326cf895ed -r f5c50b8af68c filemanager/App/src/CFileManagerMemoryStoreView.cpp
--- a/filemanager/App/src/CFileManagerMemoryStoreView.cpp	Wed Sep 01 12:31:07 2010 +0100
+++ b/filemanager/App/src/CFileManagerMemoryStoreView.cpp	Tue Sep 14 20:57:31 2010 +0300
@@ -146,6 +146,12 @@
         else
             {
             iIndex = 0;
+            // Manually deactivate marking mode if current drive
+            // is not available.
+            if ( iContainer->IsMarkingModeActivated() )
+                {
+                iContainer->SetMarkingMode( EFalse );
+                }
             }
         RefreshTitleL();
         }