From 6267899eb8862234dbdea44c55b487ec44c3e2f3 Mon Sep 17 00:00:00 2001
From: xnaught <164392052+xnaught@users.noreply.github.com>
Date: Mon, 21 Jul 2025 10:55:20 -0400
Subject: [PATCH] Fix null reference in MemoryGroup when Ring0 is disabled.
 (#1796)

* Create RAMSPDToolkitDriver with null when Ring0 is absent

* Update MemoryGroup.cs

---------

Co-authored-by: PhyxionNL <7643972+PhyxionNL@users.noreply.github.com>
---
 LibreHardwareMonitorLib/Hardware/Memory/MemoryGroup.cs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/LibreHardwareMonitorLib/Hardware/Memory/MemoryGroup.cs b/LibreHardwareMonitorLib/Hardware/Memory/MemoryGroup.cs
index 9d25cd3..b62b0d0 100644
--- a/LibreHardwareMonitorLib/Hardware/Memory/MemoryGroup.cs
+++ b/LibreHardwareMonitorLib/Hardware/Memory/MemoryGroup.cs
@@ -33,10 +33,16 @@ internal class MemoryGroup : IGroup
     {
         if (Ring0.IsOpen)
         {
-            //Assign implementation of IDriver
+            // Assign implementation of IDriver.
             DriverManager.Driver = new RAMSPDToolkitDriver(Ring0.KernelDriver);
             SMBusManager.UseWMI = false;
         }
+        else
+        {
+            // Still need to set Driver if Ring0 is absent.
+            DriverManager.Driver = new RAMSPDToolkitDriver(null);
+            SMBusManager.UseWMI = false;
+        }
     }
 
     public MemoryGroup(ISettings settings)