diff --git a/reactos/subsys/system/msconfig/msconfig.c b/reactos/subsys/system/msconfig/msconfig.c
index 9d5411a87b1..571ba5bbd9b 100644
--- a/reactos/subsys/system/msconfig/msconfig.c
+++ b/reactos/subsys/system/msconfig/msconfig.c
@@ -1,4 +1,4 @@
-#include "precomp.h"
+#include <precomp.h>
 
 HINSTANCE hInst = 0;
 
diff --git a/reactos/subsys/system/msconfig/srvpage.c b/reactos/subsys/system/msconfig/srvpage.c
index 2f80a69c4d1..a37d2e0ed63 100644
--- a/reactos/subsys/system/msconfig/srvpage.c
+++ b/reactos/subsys/system/msconfig/srvpage.c
@@ -1,4 +1,4 @@
-#include "precomp.h"
+#include <precomp.h>
 
 HWND hServicesPage;
 HWND hServicesListCtrl;
diff --git a/reactos/subsys/system/msconfig/toolspage.c b/reactos/subsys/system/msconfig/toolspage.c
index ca4daa5f216..522d125c367 100644
--- a/reactos/subsys/system/msconfig/toolspage.c
+++ b/reactos/subsys/system/msconfig/toolspage.c
@@ -1,4 +1,4 @@
-#include "precomp.h"
+#include <precomp.h>
 
 HWND hToolsPage;
 HWND hToolsListCtrl;
diff --git a/reactos/subsys/system/taskmgr/about.c b/reactos/subsys/system/taskmgr/about.c
index e91455f2a36..bd73e5bf405 100644
--- a/reactos/subsys/system/taskmgr/about.c
+++ b/reactos/subsys/system/taskmgr/about.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 INT_PTR CALLBACK AboutDialogWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
 
diff --git a/reactos/subsys/system/taskmgr/affinity.c b/reactos/subsys/system/taskmgr/affinity.c
index b54e9aa9979..26040b5021c 100644
--- a/reactos/subsys/system/taskmgr/affinity.c
+++ b/reactos/subsys/system/taskmgr/affinity.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 HANDLE        hProcessAffinityHandle;
 TCHAR         szTemp[256];
diff --git a/reactos/subsys/system/taskmgr/applpage.c b/reactos/subsys/system/taskmgr/applpage.c
index 76a6354ef9c..1593ffbe603 100644
--- a/reactos/subsys/system/taskmgr/applpage.c
+++ b/reactos/subsys/system/taskmgr/applpage.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 typedef struct
 {
diff --git a/reactos/subsys/system/taskmgr/column.c b/reactos/subsys/system/taskmgr/column.c
index afea962af1d..d98e7ac9994 100644
--- a/reactos/subsys/system/taskmgr/column.c
+++ b/reactos/subsys/system/taskmgr/column.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 UINT    ColumnDataHints[25];
 TCHAR       szTemp[256];
diff --git a/reactos/subsys/system/taskmgr/dbgchnl.c b/reactos/subsys/system/taskmgr/dbgchnl.c
index e8daad3db13..fc96b0ffb83 100644
--- a/reactos/subsys/system/taskmgr/dbgchnl.c
+++ b/reactos/subsys/system/taskmgr/dbgchnl.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 /* TODO:
  *      - the dialog box could be non modal
diff --git a/reactos/subsys/system/taskmgr/debug.c b/reactos/subsys/system/taskmgr/debug.c
index a6b9b4c92d9..500b8165211 100644
--- a/reactos/subsys/system/taskmgr/debug.c
+++ b/reactos/subsys/system/taskmgr/debug.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 void ProcessPage_OnDebug(void)
 {
diff --git a/reactos/subsys/system/taskmgr/endproc.c b/reactos/subsys/system/taskmgr/endproc.c
index e8181090373..4093a1d5737 100644
--- a/reactos/subsys/system/taskmgr/endproc.c
+++ b/reactos/subsys/system/taskmgr/endproc.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 TCHAR                szTemp[256];
 TCHAR                szTempA[256];
diff --git a/reactos/subsys/system/taskmgr/font.c b/reactos/subsys/system/taskmgr/font.c
index 59d119627c5..9a98786ae28 100644
--- a/reactos/subsys/system/taskmgr/font.c
+++ b/reactos/subsys/system/taskmgr/font.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 void Font_DrawText(HDC hDC, LPCTSTR lpszText, int x, int y)
 {
diff --git a/reactos/subsys/system/taskmgr/graph.c b/reactos/subsys/system/taskmgr/graph.c
index 043348242db..bc1975608d2 100644
--- a/reactos/subsys/system/taskmgr/graph.c
+++ b/reactos/subsys/system/taskmgr/graph.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 LONG                OldGraphWndProc;
 
diff --git a/reactos/subsys/system/taskmgr/graphctl.c b/reactos/subsys/system/taskmgr/graphctl.c
index ea89b54bcb3..fbe2910a818 100644
--- a/reactos/subsys/system/taskmgr/graphctl.c
+++ b/reactos/subsys/system/taskmgr/graphctl.c
@@ -20,7 +20,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 LONG OldGraphCtrlWndProc;
 
diff --git a/reactos/subsys/system/taskmgr/optnmenu.c b/reactos/subsys/system/taskmgr/optnmenu.c
index 8bc4dd1a666..74dca58749e 100644
--- a/reactos/subsys/system/taskmgr/optnmenu.c
+++ b/reactos/subsys/system/taskmgr/optnmenu.c
@@ -26,7 +26,7 @@
  * Menu item handlers for the options menu.
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 void TaskManager_OnOptionsAlwaysOnTop(void)
 {
diff --git a/reactos/subsys/system/taskmgr/perfdata.c b/reactos/subsys/system/taskmgr/perfdata.c
index 5217b3f4139..22aadf68fb0 100644
--- a/reactos/subsys/system/taskmgr/perfdata.c
+++ b/reactos/subsys/system/taskmgr/perfdata.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 CRITICAL_SECTION                 PerfDataCriticalSection;
 PPERFDATA                        pPerfDataOld = NULL;    /* Older perf data (saved to establish delta values) */
diff --git a/reactos/subsys/system/taskmgr/perfpage.c b/reactos/subsys/system/taskmgr/perfpage.c
index 20b8b8220e8..8b5c03118a4 100644
--- a/reactos/subsys/system/taskmgr/perfpage.c
+++ b/reactos/subsys/system/taskmgr/perfpage.c
@@ -20,7 +20,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 TGraphCtrl PerformancePageCpuUsageHistoryGraph;
 TGraphCtrl PerformancePageMemUsageHistoryGraph;
diff --git a/reactos/subsys/system/taskmgr/priority.c b/reactos/subsys/system/taskmgr/priority.c
index 4d5fc85f366..46971460626 100644
--- a/reactos/subsys/system/taskmgr/priority.c
+++ b/reactos/subsys/system/taskmgr/priority.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 TCHAR                szTemp[256];
 TCHAR                szTempA[256];
diff --git a/reactos/subsys/system/taskmgr/proclist.c b/reactos/subsys/system/taskmgr/proclist.c
index 2614880dc51..21a633ad7c3 100644
--- a/reactos/subsys/system/taskmgr/proclist.c
+++ b/reactos/subsys/system/taskmgr/proclist.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 
 INT_PTR CALLBACK    ProcessListWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
diff --git a/reactos/subsys/system/taskmgr/procpage.c b/reactos/subsys/system/taskmgr/procpage.c
index 9b3989b7520..03c9b22464f 100644
--- a/reactos/subsys/system/taskmgr/procpage.c
+++ b/reactos/subsys/system/taskmgr/procpage.c
@@ -20,7 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 HWND hProcessPage;                        /* Process List Property Page */
 
diff --git a/reactos/subsys/system/taskmgr/run.c b/reactos/subsys/system/taskmgr/run.c
index 92f39890775..f44bcef993d 100644
--- a/reactos/subsys/system/taskmgr/run.c
+++ b/reactos/subsys/system/taskmgr/run.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 void TaskManager_OnFileNew(void)
 {
diff --git a/reactos/subsys/system/taskmgr/taskmgr.c b/reactos/subsys/system/taskmgr/taskmgr.c
index 66ae882caf2..2bb23ed4101 100644
--- a/reactos/subsys/system/taskmgr/taskmgr.c
+++ b/reactos/subsys/system/taskmgr/taskmgr.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 #define STATUS_WINDOW   2001
 
diff --git a/reactos/subsys/system/taskmgr/trayicon.c b/reactos/subsys/system/taskmgr/trayicon.c
index f0c4fdc6dbb..ccf8cad4cb3 100644
--- a/reactos/subsys/system/taskmgr/trayicon.c
+++ b/reactos/subsys/system/taskmgr/trayicon.c
@@ -21,7 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "precomp.h"
+#include <precomp.h>
 
 HICON TrayIcon_GetProcessorUsageIcon(void)
 {