All: Substitute `RegDeleteKeyW` with `RegDeleteTreeW`

This is because the keys should be deleted regardless of whether they
contain subkeys or not.

ExplorerPatcher/GUI.c

@@ -469,7 +469,7 @@ LSTATUS GUI_Internal_RegSetValueExW(
     {
         if (!*(DWORD*)lpData)
         {
-            RegDeleteKeyW(HKEY_CURRENT_USER, L"SOFTWARE\\Classes\\CLSID\\{d93ed569-3b3e-4bff-8355-3c44f6a52bb5}\\InProcServer32");
+            RegDeleteTreeW(HKEY_CURRENT_USER, L"SOFTWARE\\Classes\\CLSID\\{d93ed569-3b3e-4bff-8355-3c44f6a52bb5}");
         }
         else
         {

ExplorerPatcher/dllmain.c

@@ -677,7 +677,7 @@ DWORD CheckForegroundThread(DWORD dwMode)
     elapsedCheckForeground = milliseconds_now();
     if (!dwMode)
     {
-        RegDeleteKeyW(HKEY_CURRENT_USER, _T(SEH_REGPATH));
+        RegDeleteTreeW(HKEY_CURRENT_USER, _T(SEH_REGPATH));
         TerminateShellExperienceHost();
         Sleep(100);
     }
@@ -11616,7 +11616,7 @@ HRESULT WINAPI _DllUnregisterServer()
             RegCloseKey(hKey);
             if (!dwLastError)
             {
-                RegDeleteKeyW(
+                RegDeleteTreeW(
                     HKEY_LOCAL_MACHINE,
                     L"SOFTWARE\\Classes\\CLSID\\" TEXT(EP_CLSID)
                 );
@@ -11649,7 +11649,7 @@ HRESULT WINAPI _DllUnregisterServer()
             RegCloseKey(hKey);
             if (!dwLastError)
             {
-                RegDeleteKeyW(
+                RegDeleteTreeW(
                     HKEY_LOCAL_MACHINE,
                     L"SOFTWARE\\WOW6432Node\\Classes\\CLSID\\" TEXT(EP_CLSID)
                 );
@@ -11676,7 +11676,7 @@ HRESULT WINAPI _DllUnregisterServer()
             RegCloseKey(hKey);
             if (!dwLastError)
             {
-                RegDeleteKeyW(
+                RegDeleteTreeW(
                     HKEY_LOCAL_MACHINE,
                     L"SOFTWARE\\Classes\\Drive\\shellex\\FolderExtensions\\" TEXT(EP_CLSID)
                 );
@@ -11703,7 +11703,7 @@ HRESULT WINAPI _DllUnregisterServer()
             RegCloseKey(hKey);
             if (!dwLastError)
             {
-                RegDeleteKeyW(
+                RegDeleteTreeW(
                     HKEY_LOCAL_MACHINE,
                     L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Browser Helper Objects\\" TEXT(EP_CLSID)
                 );

ep_setup/ep_setup.c

@@ -310,19 +310,8 @@ BOOL SetupUninstallEntry(BOOL bInstall, WCHAR* wszPath)
             }
             if (hKey)
             {
-                dwLastError = RegDeleteTreeW(
-                    hKey,
-                    0
-                );
+                dwLastError = RegDeleteTreeW(hKey, NULL);
                 RegCloseKey(hKey);
-                if (!dwLastError)
-                {
-                    RegDeleteKeyW(
-                        HKEY_LOCAL_MACHINE,
-                        L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\" _T(EP_CLSID) L"_" _T(PRODUCT_NAME)
-                    );
-                }
-                return TRUE;
             }
         }
      }

ep_weather_host/ep_weather.c

@@ -218,7 +218,7 @@ HRESULT WINAPI _DllUnregisterServer()
             RegCloseKey(hKey);
             if (!dwLastError)
             {
-                RegDeleteKeyW(
+                RegDeleteTreeW(
                     HKEY_LOCAL_MACHINE,
                     _T("SOFTWARE\\Classes\\CLSID\\") _T(CLSID_EPWeather_TEXT)
                 );
@@ -242,7 +242,7 @@ HRESULT WINAPI _DllUnregisterServer()
             RegCloseKey(hKey);
             if (!dwLastError)
             {
-                RegDeleteKeyW(
+                RegDeleteTreeW(
                     HKEY_LOCAL_MACHINE,
                     _T("SOFTWARE\\Classes\\AppID\\") _T(CLSID_EPWeather_TEXT)
                 );