Index: reactos/dll/win32/devmgr/devmgmt/ClassNode.cpp
===================================================================
--- reactos/dll/win32/devmgr/devmgmt/ClassNode.cpp	(revision 73213)
+++ reactos/dll/win32/devmgr/devmgmt/ClassNode.cpp	(working copy)
@@ -42,8 +42,7 @@
                                      0);
     if (hKey != INVALID_HANDLE_VALUE)
     {
-        Size = DISPLAY_NAME_LEN;
-        Type = REG_SZ;
+        Size = DISPLAY_NAME_LEN * sizeof(WCHAR);
 
         // Lookup the class description (win7+)
         Success = RegQueryValueExW(hKey,
@@ -63,6 +62,8 @@
         }
         else if (Success == ERROR_FILE_NOT_FOUND)
         {
+            Size = DISPLAY_NAME_LEN * sizeof(WCHAR);
+
             // WinXP stores the description in the default value
             Success = RegQueryValueExW(hKey,
                                        NULL,