diff --git a/base/setup/reactos/reactos.c b/base/setup/reactos/reactos.c
index ee4f3cc8a2b..aeef1c1ea24 100644
--- a/base/setup/reactos/reactos.c
+++ b/base/setup/reactos/reactos.c
@@ -41,6 +41,9 @@ HANDLE ProcessHeap;
 BOOLEAN IsUnattendedSetup = FALSE;
 SETUPDATA SetupData;
 
+/* UI elements */
+UI_CONTEXT UiContext;
+
 
 /* FUNCTIONS ****************************************************************/
 
@@ -1104,8 +1107,6 @@ SummaryDlgProc(
 typedef struct _COPYCONTEXT
 {
     PSETUPDATA pSetupData;
-    HWND hWndItem;
-    HWND hWndProgress;
     ULONG TotalOperations;
     ULONG CompletedOperations;
 } COPYCONTEXT, *PCOPYCONTEXT;
@@ -1133,10 +1134,10 @@ FileCopyCallback(PVOID Context,
             CopyContext->TotalOperations = (ULONG)Param2;
             CopyContext->CompletedOperations = 0;
 
-            SendMessageW(CopyContext->hWndProgress,
+            SendMessageW(UiContext.hWndProgress,
                          PBM_SETRANGE, 0,
                          MAKELPARAM(0, CopyContext->TotalOperations));
-            SendMessageW(CopyContext->hWndProgress,
+            SendMessageW(UiContext.hWndProgress,
                          PBM_SETSTEP, 1, 0);
             break;
         }
@@ -1158,7 +1159,7 @@ FileCopyCallback(PVOID Context,
 
                 // STRING_DELETING
                 StringCchPrintfW(Status, ARRAYSIZE(Status), L"Deleting %s", DstFileName);
-                SetWindowTextW(CopyContext->hWndItem, Status);
+                SetWindowTextW(UiContext.hWndItem, Status);
             }
             else if (Notification == SPFILENOTIFY_STARTRENAME)
             {
@@ -1179,7 +1180,7 @@ FileCopyCallback(PVOID Context,
                 else
                     StringCchPrintfW(Status, ARRAYSIZE(Status), L"Renaming %s to %s", SrcFileName, DstFileName);
 
-                SetWindowTextW(CopyContext->hWndItem, Status);
+                SetWindowTextW(UiContext.hWndItem, Status);
             }
             else if (Notification == SPFILENOTIFY_STARTCOPY)
             {
@@ -1192,7 +1193,7 @@ FileCopyCallback(PVOID Context,
 
                 // STRING_COPYING
                 StringCchPrintfW(Status, ARRAYSIZE(Status), L"Copying %s", DstFileName);
-                SetWindowTextW(CopyContext->hWndItem, Status);
+                SetWindowTextW(UiContext.hWndItem, Status);
             }
             break;
         }
@@ -1207,7 +1208,7 @@ FileCopyCallback(PVOID Context,
             if (CopyContext->TotalOperations >> 1 == CopyContext->CompletedOperations)
                 DPRINT1("CHECKPOINT:HALF_COPIED\n");
 
-            SendMessageW(CopyContext->hWndProgress, PBM_STEPIT, 0, 0);
+            SendMessageW(UiContext.hWndProgress, PBM_STEPIT, 0, 0);
             break;
         }
     }
@@ -1234,6 +1235,12 @@ PrepareAndDoCopyThread(
     /* Get the progress handle */
     hWndProgress = GetDlgItem(hwndDlg, IDC_PROCESSPROGRESS);
 
+    /* Setup global UI context */
+    UiContext.hwndDlg = hwndDlg;
+    UiContext.hWndItem = GetDlgItem(hwndDlg, IDC_ITEM);
+    UiContext.hWndProgress = hWndProgress;
+    UiContext.dwPbStyle = 0;
+
 
     /*
      * Preparation of the list of files to be copied
@@ -1243,27 +1250,24 @@ PrepareAndDoCopyThread(
     SetDlgItemTextW(hwndDlg, IDC_ACTIVITY, L"Preparing the list of files to be copied, please wait...");
     SetDlgItemTextW(hwndDlg, IDC_ITEM, L"");
 
-    /* Set progress marquee style */
+    /* Set progress marquee style and start it up */
     dwStyle = GetWindowLongPtrW(hWndProgress, GWL_STYLE);
     SetWindowLongPtrW(hWndProgress, GWL_STYLE, dwStyle | PBS_MARQUEE);
-
-    /* Start it up */
     SendMessageW(hWndProgress, PBM_SETMARQUEE, TRUE, 0);
 
     /* Prepare the list of files */
     /* ErrorNumber = */ Success = PrepareFileCopy(&pSetupData->USetupData, NULL);
+
+    /* Stop progress and restore its style */
+    SendMessageW(hWndProgress, PBM_SETMARQUEE, FALSE, 0);
+    SetWindowLongPtrW(hWndProgress, GWL_STYLE, dwStyle);
+
     if (/*ErrorNumber != ERROR_SUCCESS*/ !Success)
     {
         /* Display an error only if an unexpected failure happened, and not because the user cancelled the installation */
         if (!pSetupData->bStopInstall)
             MessageBoxW(GetParent(hwndDlg), L"Failed to prepare the list of files!", L"Error", MB_ICONERROR);
 
-        /* Stop it */
-        SendMessageW(hWndProgress, PBM_SETMARQUEE, FALSE, 0);
-
-        /* Restore progress style */
-        SetWindowLongPtrW(hWndProgress, GWL_STYLE, dwStyle);
-
         /*
          * If we failed due to an unexpected error, keep on the copy page to view the current state,
          * but enable the "Next" button to allow the user to continue to the terminate page.
@@ -1274,12 +1278,6 @@ PrepareAndDoCopyThread(
         return 1;
     }
 
-    /* Stop it */
-    SendMessageW(hWndProgress, PBM_SETMARQUEE, FALSE, 0);
-
-    /* Restore progress style */
-    SetWindowLongPtrW(hWndProgress, GWL_STYLE, dwStyle);
-
 
     /*
      * Perform the file copy
@@ -1291,8 +1289,6 @@ PrepareAndDoCopyThread(
 
     /* Create context for the copy process */
     CopyContext.pSetupData = pSetupData;
-    CopyContext.hWndItem = GetDlgItem(hwndDlg, IDC_ITEM);
-    CopyContext.hWndProgress = hWndProgress;
     CopyContext.TotalOperations = 0;
     CopyContext.CompletedOperations = 0;
 
diff --git a/base/setup/reactos/reactos.h b/base/setup/reactos/reactos.h
index 24ebf661bcd..92b52829bce 100644
--- a/base/setup/reactos/reactos.h
+++ b/base/setup/reactos/reactos.h
@@ -69,14 +69,17 @@
 // #include <reactos/rosioctl.h>
 #include <../lib/setuplib.h>
 
-#if 0
-typedef struct _KBLAYOUT
+
+/* UI elements */
+typedef struct _UI_CONTEXT
 {
-    TCHAR LayoutId[9];
-    TCHAR LayoutName[128];
-    TCHAR DllName[128];
-} KBLAYOUT, *PKBLAYOUT;
-#endif
+    HWND hwndDlg;   // Install progress page
+    HWND hWndItem;  // Progress action
+    HWND hWndProgress;  // Progress gauge
+    LONG_PTR dwPbStyle; // Progress gauge style
+} UI_CONTEXT, *PUI_CONTEXT;
+
+extern UI_CONTEXT UiContext;
 
 
 /*
@@ -108,6 +111,15 @@ typedef struct _NT_WIN32_PATH_MAPPING_LIST
 } NT_WIN32_PATH_MAPPING_LIST, *PNT_WIN32_PATH_MAPPING_LIST;
 
 
+#if 0
+typedef struct _KBLAYOUT
+{
+    TCHAR LayoutId[9];
+    TCHAR LayoutName[128];
+    TCHAR DllName[128];
+} KBLAYOUT, *PKBLAYOUT;
+#endif
+
 typedef struct _SETUPDATA
 {
     /* General */