diff --git a/reactos/hal/halx86/generic/processor.c b/reactos/hal/halx86/generic/processor.c
index 2ebabfc7e11..f99bcd10332 100644
--- a/reactos/hal/halx86/generic/processor.c
+++ b/reactos/hal/halx86/generic/processor.c
@@ -39,7 +39,9 @@ BOOLEAN STDCALL
 HalStartNextProcessor(ULONG Unknown1,
 		      ULONG ProcessorStack)
 {
+#if 0
   DPRINT("HalStartNextProcessor(%x %x)\n", ProcessorNumber, ProcessorStack);
+#endif
 
   return TRUE;
 }
diff --git a/reactos/lib/advapi32/sec/trustee.c b/reactos/lib/advapi32/sec/trustee.c
index d324a439be8..0808708af16 100644
--- a/reactos/lib/advapi32/sec/trustee.c
+++ b/reactos/lib/advapi32/sec/trustee.c
@@ -198,8 +198,10 @@ BuildTrusteeWithObjectsAndNameA(PTRUSTEEA pTrustee, POBJECTS_AND_NAME_A pObjName
                                 SE_OBJECT_TYPE ObjectType, LPSTR ObjectTypeName,
                                 LPSTR InheritedObjectTypeName, LPSTR Name)
 {
+#if 0
     DPRINT("%p %p 0x%08x %p %p %s\n", pTrustee, pObjName,
            ObjectType, ObjectTypeName, InheritedObjectTypeName, debugstr_a(Name));
+#endif
 
     pTrustee->pMultipleTrustee = NULL;
     pTrustee->MultipleTrusteeOperation = NO_MULTIPLE_TRUSTEE;
@@ -217,8 +219,10 @@ BuildTrusteeWithObjectsAndNameW(PTRUSTEEW pTrustee, POBJECTS_AND_NAME_W pObjName
                                 SE_OBJECT_TYPE ObjectType, LPWSTR ObjectTypeName,
                                 LPWSTR InheritedObjectTypeName, LPWSTR Name)
 {
+#if 0
     DPRINT("%p %p 0x%08x %p %p %s\n", pTrustee, pObjName,
            ObjectType, ObjectTypeName, InheritedObjectTypeName, debugstr_w(Name));
+#endif
 
     pTrustee->pMultipleTrustee = NULL;
     pTrustee->MultipleTrusteeOperation = NO_MULTIPLE_TRUSTEE;
diff --git a/reactos/lib/advapi32/service/scm.c b/reactos/lib/advapi32/service/scm.c
index 566ead1100f..568a400f215 100644
--- a/reactos/lib/advapi32/service/scm.c
+++ b/reactos/lib/advapi32/service/scm.c
@@ -928,7 +928,9 @@ UnlockServiceDatabase(SC_LOCK ScLock)
 {
   DWORD dwError;
 
+#if 0
   DPRINT("UnlockServiceDatabase(%x)\n", hSCManager);
+#endif
 
   HandleBind();
 
diff --git a/reactos/subsys/csrss/win32csr/desktopbg.c b/reactos/subsys/csrss/win32csr/desktopbg.c
index c21beeb023d..68b07dd0f47 100644
--- a/reactos/subsys/csrss/win32csr/desktopbg.c
+++ b/reactos/subsys/csrss/win32csr/desktopbg.c
@@ -108,7 +108,7 @@ DtbgWindowProc(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
           }
 
           default:
-            DPRINT("Unknown notification code 0x%x sent to the desktop window!\n", nmh->code);
+            DPRINT("Unknown notification code 0x%x sent to the desktop window!\n", nmh->hdr.code);
             return 0;
         }
       }
diff --git a/reactos/subsys/ntvdm/ntvdm.c b/reactos/subsys/ntvdm/ntvdm.c
index 5384de29dae..80b139adf8b 100644
--- a/reactos/subsys/ntvdm/ntvdm.c
+++ b/reactos/subsys/ntvdm/ntvdm.c
@@ -16,6 +16,9 @@
 #include <wchar.h>
 #include "resource.h"
 
+#define NTOS_MODE_USER
+#include <ndk/ntndk.h>
+
 #define NDEBUG
 #include <debug.h>
 
diff --git a/reactos/subsys/smss/client.c b/reactos/subsys/smss/client.c
index 4c72e866a0a..f1452b94df9 100644
--- a/reactos/subsys/smss/client.c
+++ b/reactos/subsys/smss/client.c
@@ -62,6 +62,7 @@ SmInitializeClientManagement (VOID)
 VOID FASTCALL
 SmpSetClientInitialized (PSM_CLIENT_DATA Client)
 {
+	DPRINT("SM: %s(%08lx) called\n", __FUNCTION__, Client);
 	Client->Flags |= SM_CLIENT_FLAG_INITIALIZED;
 }
 /**********************************************************************
@@ -101,8 +102,10 @@ SmpLookupClient (USHORT           SubsystemId,
 		Client = SmpClientDirectory.Client;
 		while (NULL != Client)
 		{
+			DPRINT("SM: %s: Client==%08lx\n", __FUNCTION__, Client);
 			if (SubsystemId == Client->SubsystemId)
 			{
+				DPRINT("SM: %s: FOUND Client==%08lx\n", __FUNCTION__, Client);
 				break;
 			}
 			if(NULL != Parent)
diff --git a/reactos/subsys/system/setup/setup.c b/reactos/subsys/system/setup/setup.c
index c9816eaf6e6..1d236eac402 100644
--- a/reactos/subsys/system/setup/setup.c
+++ b/reactos/subsys/system/setup/setup.c
@@ -29,6 +29,9 @@
 #include <syssetup/syssetup.h>
 #include <userenv.h>
 
+#define NTOS_MODE_USER
+#include <ndk/ntndk.h>
+
 #define NDEBUG
 #include <debug.h>
 
diff --git a/reactos/subsys/system/winlogon/setup.c b/reactos/subsys/system/winlogon/setup.c
index 16344a1d01d..1b8cb54ae15 100644
--- a/reactos/subsys/system/winlogon/setup.c
+++ b/reactos/subsys/system/winlogon/setup.c
@@ -33,6 +33,9 @@
 
 #include "setup.h"
 
+#define NTOS_MODE_USER
+#include <ndk/ntndk.h>
+
 #define NDEBUG
 #include <debug.h>
 
diff --git a/reactos/subsys/win32k/ntuser/keyboard.c b/reactos/subsys/win32k/ntuser/keyboard.c
index 6c9fe5e3193..92d0ae895e9 100644
--- a/reactos/subsys/win32k/ntuser/keyboard.c
+++ b/reactos/subsys/win32k/ntuser/keyboard.c
@@ -1160,8 +1160,10 @@ NtUserVkKeyScanEx(
         if(vkPtr->wch[CapsState] == wChar)
         {
           CapsMod = KeyLayout->pCharModifiers->ModNumber[CapsState];
+#if 0
           DPRINT("nMod %d Vk %04x: CapsMod %08x CapsState %08x MaxModBits %08x\n",
 	       nMod, wVirtKey, CapsMod, CapsState, KeyLayout->pCharModifiers->wMaxModBits);
+#endif
           return ((CapsMod << 8)|(vkPtr->VirtualKey & 0xff));
         }
       }