diff --git a/hw/xwin/winSetAppUserModelID.c b/hw/xwin/winSetAppUserModelID.c
index 41615e19c..f9cb92cdd 100644
--- a/hw/xwin/winSetAppUserModelID.c
+++ b/hw/xwin/winSetAppUserModelID.c
@@ -90,7 +90,7 @@ winSetAppUserModelID(HWND hWnd, const char *AppID)
         return;
     }
 
-    winDebug("winSetAppUserMOdelID - hwnd 0x%08x appid '%s'\n", hWnd, AppID);
+    winDebug("winSetAppUserMOdelID - hwnd 0x%p appid '%s'\n", hWnd, AppID);
 
     hr = g_pSHGetPropertyStoreForWindow(hWnd, &IID_IPropertyStore,
                                         (void **) &pps);
diff --git a/hw/xwin/windialogs.c b/hw/xwin/windialogs.c
index 61f7fe0bd..07fd40909 100644
--- a/hw/xwin/windialogs.c
+++ b/hw/xwin/windialogs.c
@@ -437,8 +437,8 @@ winChangeDepthDlgProc(HWND hwndDialog, UINT message,
         s_pScreenInfo = s_pScreenPriv->pScreenInfo;
 
 #if CYGDEBUG
-        winDebug("winChangeDepthDlgProc - WM_INITDIALOG - s_pScreenPriv: %08x, "
-                 "s_pScreenInfo: %08x\n",
+        winDebug("winChangeDepthDlgProc - WM_INITDIALOG - s_pScreenPriv: %p, "
+                 "s_pScreenInfo: %p\n",
                  s_pScreenPriv, s_pScreenInfo);
 #endif
 
diff --git a/hw/xwin/winmsgwindow.c b/hw/xwin/winmsgwindow.c
index 59f1da503..0f26cea82 100644
--- a/hw/xwin/winmsgwindow.c
+++ b/hw/xwin/winmsgwindow.c
@@ -136,7 +136,7 @@ winCreateMsgWindow(void)
         return NULL;
     }
 
-    winDebug("winCreateMsgWindow - Created msg window hwnd 0x%x\n", hwndMsg);
+    winDebug("winCreateMsgWindow - Created msg window hwnd 0x%p\n", hwndMsg);
 
     return hwndMsg;
 }
diff --git a/hw/xwin/winmultiwindowicons.c b/hw/xwin/winmultiwindowicons.c
index 93d389d46..81ab494a0 100644
--- a/hw/xwin/winmultiwindowicons.c
+++ b/hw/xwin/winmultiwindowicons.c
@@ -465,7 +465,7 @@ winXIconToHICON(Display * pDisplay, Window id, int iconSize)
                 xImageIcon =
                     XGetImage(pDisplay, hints->icon_pixmap, 0, 0, width, height,
                               0xFFFFFFFF, ZPixmap);
-                winDebug("winXIconToHICON: id 0x%x icon Ximage 0x%x\n", id,
+                winDebug("winXIconToHICON: id 0x%x icon Ximage 0x%p\n", id,
                          xImageIcon);
 
                 if (hints->icon_mask)
diff --git a/hw/xwin/winmultiwindowshape.c b/hw/xwin/winmultiwindowshape.c
index cb0f38950..73afaea55 100644
--- a/hw/xwin/winmultiwindowshape.c
+++ b/hw/xwin/winmultiwindowshape.c
@@ -47,7 +47,7 @@ winSetShapeMultiWindow(WindowPtr pWin, int kind)
     winScreenPriv(pScreen);
 
 #if CYGMULTIWINDOW_DEBUG
-    ErrorF("winSetShapeMultiWindow - pWin: %08x kind: %i\n", pWin, kind);
+    ErrorF("winSetShapeMultiWindow - pWin: %p kind: %i\n", pWin, kind);
 #endif
 
     WIN_UNWRAP(SetShape);
diff --git a/hw/xwin/winmultiwindowwindow.c b/hw/xwin/winmultiwindowwindow.c
index f2e7907b8..421223a7c 100644
--- a/hw/xwin/winmultiwindowwindow.c
+++ b/hw/xwin/winmultiwindowwindow.c
@@ -286,7 +286,7 @@ winChangeWindowAttributesMultiWindow(WindowPtr pWin, unsigned long mask)
     winScreenPriv(pScreen);
 
 #if CYGMULTIWINDOW_DEBUG
-    ErrorF("winChangeWindowAttributesMultiWindow - pWin: %08x\n", pWin);
+    ErrorF("winChangeWindowAttributesMultiWindow - pWin: %p\n", pWin);
 #endif
 
     WIN_UNWRAP(ChangeWindowAttributes);
@@ -315,7 +315,7 @@ winUnmapWindowMultiWindow(WindowPtr pWin)
     winScreenPriv(pScreen);
 
 #if CYGMULTIWINDOW_DEBUG
-    ErrorF("winUnmapWindowMultiWindow - pWin: %08x\n", pWin);
+    ErrorF("winUnmapWindowMultiWindow - pWin: %p\n", pWin);
 #endif
 
     WIN_UNWRAP(UnrealizeWindow);
@@ -346,7 +346,7 @@ winMapWindowMultiWindow(WindowPtr pWin)
     winScreenPriv(pScreen);
 
 #if CYGMULTIWINDOW_DEBUG
-    ErrorF("winMapWindowMultiWindow - pWin: %08x\n", pWin);
+    ErrorF("winMapWindowMultiWindow - pWin: %p\n", pWin);
 #endif
 
     WIN_UNWRAP(RealizeWindow);
@@ -378,7 +378,7 @@ winReparentWindowMultiWindow(WindowPtr pWin, WindowPtr pPriorParent)
     winScreenPriv(pScreen);
 
     winDebug
-        ("winReparentMultiWindow - pWin:%08x XID:0x%x, reparent from pWin:%08x XID:0x%x to pWin:%08x XID:0x%x\n",
+        ("winReparentMultiWindow - pWin:%p XID:0x%x, reparent from pWin:%p XID:0x%x to pWin:%p XID:0x%x\n",
          pWin, pWin->drawable.id, pPriorParent, pPriorParent->drawable.id,
          pWin->parent, pWin->parent->drawable.id);
 
@@ -409,7 +409,7 @@ winRestackWindowMultiWindow(WindowPtr pWin, WindowPtr pOldNextSib)
     winScreenPriv(pScreen);
 
 #if CYGMULTIWINDOW_DEBUG || CYGWINDOWING_DEBUG
-    winTrace("winRestackMultiWindow - %08x\n", pWin);
+    winTrace("winRestackMultiWindow - %p\n", pWin);
 #endif
 
     WIN_UNWRAP(RestackWindow);
@@ -492,7 +492,7 @@ winCreateWindowsWindow(WindowPtr pWin)
 
     winInitMultiWindowClass();
 
-    winDebug("winCreateWindowsTopLevelWindow - pWin:%08x XID:0x%x \n", pWin,
+    winDebug("winCreateWindowsTopLevelWindow - pWin:%p XID:0x%x \n", pWin,
              pWin->drawable.id);
 
     iX = pWin->drawable.x + GetSystemMetrics(SM_XVIRTUALSCREEN);
@@ -618,7 +618,7 @@ winDestroyWindowsWindow(WindowPtr pWin)
     HICON hIcon;
     HICON hIconSm;
 
-    winDebug("winDestroyWindowsWindow - pWin:%08x XID:0x%x \n", pWin,
+    winDebug("winDestroyWindowsWindow - pWin:%p XID:0x%x \n", pWin,
              pWin->drawable.id);
 
     /* Bail out if the Windows window handle is invalid */
diff --git a/hw/xwin/winpixmap.c b/hw/xwin/winpixmap.c
index ef158c854..ef50fa356 100644
--- a/hw/xwin/winpixmap.c
+++ b/hw/xwin/winpixmap.c
@@ -113,8 +113,8 @@ winCreatePixmapNativeGDI(ScreenPtr pScreen,
                                                  pbmih);
 
 #if CYGDEBUG
-    winDebug("winCreatePixmap () - Created a pixmap %08x, %dx%dx%d, for "
-             "screen: %08x\n",
+    winDebug("winCreatePixmap () - Created a pixmap %p, %dx%dx%d, for "
+             "screen: %p\n",
              pPixmapPriv->hBitmap, iWidth, iHeight, iDepth, pScreen);
 #endif
 
@@ -146,7 +146,7 @@ winDestroyPixmapNativeGDI(PixmapPtr pPixmap)
     pPixmapPriv = winGetPixmapPriv(pPixmap);
 
 #if CYGDEBUG
-    winDebug("winDestroyPixmapNativeGDI - pPixmapPriv->hBitmap: %08x\n",
+    winDebug("winDestroyPixmapNativeGDI - pPixmapPriv->hBitmap: %p\n",
              pPixmapPriv->hBitmap);
 #endif
 
diff --git a/hw/xwin/winwndproc.c b/hw/xwin/winwndproc.c
index e3adb5605..6b1efdd15 100644
--- a/hw/xwin/winwndproc.c
+++ b/hw/xwin/winwndproc.c
@@ -629,7 +629,7 @@ winWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
         int iBorderHeight, iBorderWidth;
 
 #if CYGDEBUG
-        winDebug("winWindowProc - WM_GETMINMAXINFO - pScreenInfo: %08x\n",
+        winDebug("winWindowProc - WM_GETMINMAXINFO - pScreenInfo: %p\n",
                  s_pScreenInfo);
 #endif