diff --git a/contrib/media/updf/apps/Makefile b/contrib/media/updf/apps/Makefile
index 841858a1f4..402e5c39dd 100755
--- a/contrib/media/updf/apps/Makefile
+++ b/contrib/media/updf/apps/Makefile
@@ -12,7 +12,7 @@ LIBPATH = -L $(SDK_DIR)/lib -L /home/autobuild/tools/win32/mingw32/lib -L ../lib
 APPS_SRC := kolibri.c kos_main.c pdfapp.c
 
 default: $(patsubst %.c,%.o,$(APPS_SRC))
-	$(LD) $(LDFLAGS) $(LIBPATH) --subsystem native -o updf kolibri.o pdfapp.o kos_main.o -lmupdf -lfitz -lgcc -lfitz -ldraw -ljpeg -ljbig2dec -lfreetype -lopenjpeg -lz -lc.dll
+	$(LD) $(LDFLAGS) $(LIBPATH) --subsystem native -o updf kolibri.o pdfapp.o kos_main.o -lmupdf -lfitz -lgcc -lfitz -ldraw -ljpeg -ljbig2dec -lfreetype -lopenjpeg -lz.dll -lc.dll
 	objcopy updf -O binary
 
 
diff --git a/contrib/media/updf/apps/kolibri.c b/contrib/media/updf/apps/kolibri.c
index b2f8f8a7b7..34a6b59ec8 100644
--- a/contrib/media/updf/apps/kolibri.c
+++ b/contrib/media/updf/apps/kolibri.c
@@ -27,6 +27,12 @@ void kol_wnd_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned cs,
 asm volatile ("int $0x40"::"a"(0), "b"(x*65536+w), "c"(y*65536+h), "d"(cs), "D"(t), "S"(b) );
 }
 
+void kol_wnd_change(int new_x, int new_y, int new_w, int new_h)
+{
+    asm volatile("int $0x40" ::"a"(67), "b"(new_x), "c"(new_y), "d"(new_w),"S"(new_h));
+}
+
+
 void kol_event_mask(unsigned e)
 {
 asm volatile ("int $0x40"::"a"(40), "b"(e));
@@ -137,7 +143,12 @@ asm volatile ("int $0x40"::"a"(66), "b"(2));
 
 unsigned kol_btn_get()
 {
-asm volatile ("int $0x40"::"a"(17));
+    unsigned val;
+    asm volatile(
+        "int $0x40"
+        : "=a"(val)
+        : "a"(17));
+    return val >> 8;
 }
 
 
diff --git a/contrib/media/updf/apps/kolibri.h b/contrib/media/updf/apps/kolibri.h
index f7739b8493..c4bc8d3cc9 100644
--- a/contrib/media/updf/apps/kolibri.h
+++ b/contrib/media/updf/apps/kolibri.h
@@ -93,11 +93,32 @@ void	*data;
 } kol_struct_import;
 #pragma pack(pop)
 
+#pragma pack(push, 1)
+struct proc_info
+{
+        unsigned long cpu_usage;
+        unsigned short pos_in_stack;
+        unsigned short slot;
+        unsigned short reserved2;
+        char name[12];
+        unsigned long address;
+        unsigned long memory_usage;
+        unsigned long ID;
+        unsigned long left,top;
+        unsigned long width,height;
+        unsigned short thread_state;
+        unsigned short reserved3;
+        unsigned long cleft, ctop, cwidth, cheight;
+        unsigned char window_state;
+        unsigned char reserved4[1024-71];
+};
+#pragma pack(pop)
 
 void kol_exit();
 void kol_sleep(unsigned d);
 void kol_wnd_define(unsigned x, unsigned y, unsigned w, unsigned h, unsigned cs, unsigned b, char *t);
 void kol_wnd_caption(char *s);
+void kol_wnd_change(int new_x, int new_y, int new_w, int new_h);
 void kol_event_mask(unsigned e);
 unsigned kol_event_wait();
 unsigned kol_event_wait_time(unsigned time);
diff --git a/contrib/media/updf/apps/kos_main.c b/contrib/media/updf/apps/kos_main.c
index 25062a3903..1193c83b7c 100644
--- a/contrib/media/updf/apps/kos_main.c
+++ b/contrib/media/updf/apps/kos_main.c
@@ -1,6 +1,5 @@
 /*==== INCLUDES ====*/
 
-#include <kos32sys.h>
 #include "fitz.h"
 #include "mupdf.h"
 #include "pdfapp.h"
@@ -132,10 +131,10 @@ void winblit(pdfapp_t *app)
 
 	gapp.panx = 0;
 	
-	kos_blit(window_center + Form.cleft, 
-		Form.ctop + TOOLBAR_HEIGHT, 
-		Form.cwidth, 
-		Form.cheight - TOOLBAR_HEIGHT, 
+	kos_blit(window_center + Form.cleft,
+		Form.ctop + TOOLBAR_HEIGHT,
+		Form.cwidth,
+		Form.cheight - TOOLBAR_HEIGHT,
 		gapp.panx, 
 		gapp.pany, 
 		gapp.image->w, 
@@ -172,7 +171,7 @@ void DrawPageSides(void)
 	}
 	
 	kol_paint_bar(window_center - 1, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT, draw_w, 1, DOCUMENT_BORDER);
-	kol_paint_bar(window_center - 1, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT + 1, 
+	kol_paint_bar(window_center - 1, gapp.image->h - gapp.pany + TOOLBAR_HEIGHT + 1,
 		draw_w, Form.cheight - gapp.image->h - TOOLBAR_HEIGHT + gapp.pany - 1, DOCUMENT_BG);
 }
 
@@ -201,7 +200,7 @@ void HandleNewPageNumber(unsigned char key)
 		ApplyNewPageNumber();
 		return;
 	}
-	if (key==ASCII_KEY_ESC) 
+	if (key==ASCII_KEY_ESC)
 	{
 		key_mode_enter_page_number = 0;
 		DrawMainWindow();
@@ -234,7 +233,7 @@ void DrawPagination(void)
 void DrawToolbarButton(int x, char image_id)
 {
 	kol_btn_define(x, 5, 26-1, 24-1, 10 + image_id + BT_HIDE, 0);
-	draw_bitmap(image_id * 24 * 26 * 3 + toolbar_image, x, 5, 26, 24);
+	kol_paint_image(x, 5, 26, 24, image_id * 24 * 26 * 3 + toolbar_image);
 }
 
 void DrawMainWindow(void)
@@ -376,22 +375,22 @@ int main (int argc, char* argv[])
 
 	for(;;)
 	{
-		switch(get_os_event())
+		switch(kol_event_wait())
 		{
 			case evReDraw:
 				// gapp.shrinkwrap = 2;
-				BeginDraw();
+				kol_paint_start();
 				kol_wnd_define(screen_max_x / 2 - 350-50+kos_random(50), 
 				screen_max_y / 2 - 300-50+kos_random(50), 
 				700, 600, 0x73000000, 0x800000FF, Title);
-				EndDraw();
-				get_proc_info((char*)&Form);
+				kol_paint_end();
+				kol_process_info(-1, (char*)&Form);
 				
-				if (Form.window_state > 2) continue; // if Rolled-up
+				if (Form.window_state & 4) continue; // if Rolled-up
 				
 				// Minimal size (700x600)
-				if (Form.width < 700) sys_change_window(OLD, OLD, 700, OLD);
-				if (Form.height < 600) sys_change_window(OLD, OLD, OLD, 600);
+				if (Form.width < 700) kol_wnd_change(-1, -1, 700, -1);
+				if (Form.height < 600)  kol_wnd_change(-1, -1, -1, 600);
 				
 				DrawMainWindow();
 				break;
@@ -418,14 +417,14 @@ int main (int argc, char* argv[])
 				break;
 
 			case evButton:
-				butt = get_os_button();
+				butt = kol_btn_get();
 				if(butt==1) exit(0);
 				if(butt==10) RunOpenApp(argv[0]);
 				if(butt==11) PageZoomOut(); //magnify -
 				if(butt==12) PageZoomIn(); //magnify +
 				if(butt==13) //show help
 				{
-					kol_paint_bar(0, TOOLBAR_HEIGHT, Form.cwidth, Form.cheight - TOOLBAR_HEIGHT, 0xF2F2F2);	
+					kol_paint_bar(0, TOOLBAR_HEIGHT, Form.cwidth, Form.cheight - TOOLBAR_HEIGHT, 0xF2F2F2);
 					kos_text(20, TOOLBAR_HEIGHT + 20      , 0x90000000, "uPDF for KolibriOS v1.2", 0);
 					kos_text(21, TOOLBAR_HEIGHT + 20      , 0x90000000, "uPDF for KolibriOS v1.2", 0);
 					for (ii=0; help[ii]!=0; ii++) {
diff --git a/data/common/media/updf b/data/common/media/updf
index 17b9f67b92..47cbcce908 100644
Binary files a/data/common/media/updf and b/data/common/media/updf differ