From 79b6f98c6c35984241755be8c526e3447e1635fc Mon Sep 17 00:00:00 2001
From: Valentin Radu <valentin.radu@valinet.ro>
Date: Tue, 4 Jan 2022 02:01:44 +0200
Subject: [PATCH] Protect classic theme mitigations state variable from
 changing once its setting is read from the registry

---
 ExplorerPatcher/dllmain.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ExplorerPatcher/dllmain.c b/ExplorerPatcher/dllmain.c
index 7f46f33..7d503ed 100644
--- a/ExplorerPatcher/dllmain.c
+++ b/ExplorerPatcher/dllmain.c
@@ -64,6 +64,7 @@ DWORD bOpenAtLogon = FALSE;
 DWORD bClockFlyoutOnWinC = FALSE;
 DWORD bDisableImmersiveContextMenu = FALSE;
 DWORD bClassicThemeMitigations = FALSE;
+DWORD bWasClassicThemeMitigationsSet = FALSE;
 DWORD bHookStartMenu = TRUE;
 DWORD bPropertiesInWinX = FALSE;
 DWORD bNoMenuAccelerator = FALSE;
@@ -4094,15 +4095,21 @@ void WINAPI LoadSettings(LPARAM lParam)
             &bDisableImmersiveContextMenu,
             &dwSize
         );
+        dwTemp = FALSE;
         dwSize = sizeof(DWORD);
         RegQueryValueExW(
             hKey,
             TEXT("ClassicThemeMitigations"),
             0,
             NULL,
-            &bClassicThemeMitigations,
+            &dwTemp,
             &dwSize
         );
+        if (!bWasClassicThemeMitigationsSet)
+        {
+            bClassicThemeMitigations = dwTemp;
+            bWasClassicThemeMitigationsSet = TRUE;
+        }
         dwSize = sizeof(DWORD);
         RegQueryValueExW(
             hKey,