diff --git a/Include/dxwnd.h b/Include/dxwnd.h
index f2f5a61..aaa14c2 100644
--- a/Include/dxwnd.h
+++ b/Include/dxwnd.h
@@ -128,7 +128,7 @@
 #define LIMITSCREENRES		0x00001000 // Limit available screen resolution up to defined maximum
 #define NOFILLRECT			0x00002000 // Suppress FillRect calls
 #define HOOKGLIDE			0x00004000 // Hook glide calls
-#define HIDEDESKTOP			0x00004000 // Hide desktop background
+#define HIDEDESKTOP			0x00008000 // Hide desktop background
 
 // logging Tflags DWORD:
 #define OUTTRACE			0x00000001 // enables tracing to dxwnd.log in general
diff --git a/build/dxwnd.dll b/build/dxwnd.dll
index 1357954..f81ec13 100644
--- a/build/dxwnd.dll
+++ b/build/dxwnd.dll
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0ab0518cd95cd490131b9ba49cc94686af2bdc129622f112e8499bc5c386cc42
-size 458240
+oid sha256:4afdf78c8226b629ed5e70a1fe3d1e79ac6e8293bc1e2ac74b2257d59d10f6d7
+size 457728
diff --git a/build/dxwnd.exe b/build/dxwnd.exe
index 304b212..7aea3db 100644
--- a/build/dxwnd.exe
+++ b/build/dxwnd.exe
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a63a5100db9d65c9b66846c79b6cb41578fccabd9de5bb4ba788b371bb72b25f
+oid sha256:8f349082b6ce4e630b509e9dc5903c05b296b7fa6b071c1885241ea5c4cf2ed7
 size 535040
diff --git a/build/dxwnd.ini b/build/dxwnd.ini
index 5e2a67d..c84dc60 100644
--- a/build/dxwnd.ini
+++ b/build/dxwnd.ini
@@ -2528,11 +2528,11 @@ title101=Syberia
 path101=D:\Games\Syberia\Syberia.exe
 module101=
 opengllib101=
-ver101=0
+ver101=7
 coord101=0
-flag101=822116385
+flag101=956334113
 flagg101=1242562576
-flagh101=20
+flagh101=65556
 flagi101=4
 tflag101=6170
 initx101=150
@@ -3074,8 +3074,64 @@ maxfps122=0
 initts122=0
 winver122=0
 maxres122=0
+title123=Black Thorn
+path123=D:\Games\Black Thorn\BlackThorn.exe
+module123=
+opengllib123=
+ver123=0
+coord123=0
+flag123=692076580
+flagg123=1207959552
+flagh123=20
+flagi123=4
+tflag123=6211
+initx123=0
+inity123=0
+minx123=0
+miny123=0
+maxx123=0
+maxy123=0
+posx123=50
+posy123=50
+sizx123=800
+sizy123=600
+maxfps123=0
+initts123=0
+winver123=0
+maxres123=-1
+title124=Empire of the Ants
+path124=D:\Games\Empire of the Ants\Game.exe
+module124=
+opengllib124=
+ver124=0
+coord124=0
+flag124=1023426596
+flagg124=134217744
+flagh124=20
+flagi124=4
+tflag124=6466
+initx124=0
+inity124=0
+minx124=0
+miny124=0
+maxx124=0
+maxy124=0
+posx124=50
+posy124=50
+sizx124=800
+sizy124=600
+maxfps124=0
+initts124=0
+winver124=0
+maxres124=-1
+title125=Red Storm: Rogue Spear
+module125=
+opengllib125=
+title126=Black Thorn
+module126=
+opengllib126=
 [window]
-posx=1035
-posy=288
+posx=1129
+posy=466
 sizx=638
 sizy=448
diff --git a/build/exports/Black Thorn.dxw b/build/exports/Black Thorn.dxw
new file mode 100644
index 0000000..6792413
--- /dev/null
+++ b/build/exports/Black Thorn.dxw	
@@ -0,0 +1,26 @@
+[target]
+title0=Black Thorn
+path0=D:\Games\Red Storm Entertainment\Rogue Spear\BlackThorn.exe
+module0=
+opengllib0=
+ver0=0
+coord0=0
+flag0=939540517
+flagg0=134217728
+flagh0=20
+flagi0=36
+tflag0=6470
+initx0=0
+inity0=0
+minx0=0
+miny0=0
+maxx0=0
+maxy0=0
+posx0=50
+posy0=50
+sizx0=800
+sizy0=600
+maxfps0=0
+initts0=0
+winver0=0
+maxres0=-1
diff --git a/build/exports/Empire of the Ants.dxw b/build/exports/Empire of the Ants.dxw
new file mode 100644
index 0000000..183ef48
--- /dev/null
+++ b/build/exports/Empire of the Ants.dxw	
@@ -0,0 +1,26 @@
+[target]
+title0=Empire of the Ants
+path0=D:\Games\Empire of the Ants\Game.exe
+module0=
+opengllib0=
+ver0=0
+coord0=0
+flag0=402669604
+flagg0=134217728
+flagh0=20
+flagi0=4
+tflag0=64
+initx0=0
+inity0=0
+minx0=0
+miny0=0
+maxx0=0
+maxy0=0
+posx0=50
+posy0=50
+sizx0=800
+sizy0=600
+maxfps0=0
+initts0=0
+winver0=0
+maxres0=-1
diff --git a/build/readme-relnotes.txt b/build/readme-relnotes.txt
index e08a50c..2ee4534 100644
--- a/build/readme-relnotes.txt
+++ b/build/readme-relnotes.txt
@@ -386,4 +386,9 @@ fixed several d3d1-7 hooks: prevented some d3d games to properly work, i.e. "Thi
 fixed d3d GetDisplayMode to return virtual desktop size - fixed "Affari Tuoi", an italian game.
 fixed some log messages
 
+v2.02.57
+fixed WS_NCCALCSIZE & WM_NCPAINT messages to ensure a proper window's border and size - fixed Black Thorn window problems
+fixed "Hide desktop background" flag 
+
+
 
diff --git a/dll/ddraw.cpp b/dll/ddraw.cpp
index dcb6398..6221b0f 100644
--- a/dll/ddraw.cpp
+++ b/dll/ddraw.cpp
@@ -453,7 +453,7 @@ static void DescribeSurface(LPDIRECTDRAWSURFACE lpdds, int dxversion, char *labe
 		break;
 	}
 	if(res)return;
-	OutTrace("Surface %s: ddsd=%x dxversion=%d ", label, lpdds, dxversion);
+	OutTraceDW("Surface %s: ddsd=%x dxversion=%d ", label, lpdds, dxversion);
 	LogSurfaceAttributes((LPDDSURFACEDESC)&ddsd, label, line);
 }
 
diff --git a/dll/dxhook.cpp b/dll/dxhook.cpp
index ed7df5f..737a64b 100644
--- a/dll/dxhook.cpp
+++ b/dll/dxhook.cpp
@@ -71,7 +71,7 @@ static char *Flag4Names[32]={
 	"NOALPHACHANNEL", "SUPPRESSCHILD", "FIXREFCOUNTER", "SHOWTIMESTRETCH",
 	"ZBUFFERCLEAN", "ZBUFFER0CLEAN", "ZBUFFERALWAYS", "DISABLEFOGGING",
 	"NOPOWER2FIX", "NOPERFCOUNTER", "ADDPROXYLIBS", "INTERCEPTRDTSC",
-	"LIMITSCREENRES", "NOFILLRECT", "HOOKGLIDE", "",
+	"LIMITSCREENRES", "NOFILLRECT", "HOOKGLIDE", "HIDEDESKTOP",
 	"", "", "", "",
 	"", "", "", "",
 	"", "", "", "",
@@ -814,37 +814,10 @@ LRESULT CALLBACK extWindowProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lp
 		}
 		break;
 	case WM_NCCALCSIZE:
-		if((dxw.dwFlags1 & LOCKWINPOS) && (hwnd == dxw.GethWnd())){ // v2.02.30: don't alter child and other windows....
-			OutTraceDW("WindowProc: WS_NCCALCSIZE wparam=%x\n", wparam);
-			if(wparam){
-				// nothing so far ....
-				if (IsDebug){
-					NCCALCSIZE_PARAMS *ncp;
-					ncp = (NCCALCSIZE_PARAMS *) lparam;
-					OutTraceDW("WindowProc: WS_NCCALCSIZE rect[0]=(%d,%d)-(%d,%d)\n", 
-						ncp->rgrc[0].left, ncp->rgrc[0].top, ncp->rgrc[0].right, ncp->rgrc[0].bottom);
-					OutTraceDW("WindowProc: WS_NCCALCSIZE rect[1]=(%d,%d)-(%d,%d)\n", 
-						ncp->rgrc[1].left, ncp->rgrc[1].top, ncp->rgrc[1].right, ncp->rgrc[1].bottom);
-					OutTraceDW("WindowProc: WS_NCCALCSIZE rect[2]=(%d,%d)-(%d,%d)\n", 
-						ncp->rgrc[2].left, ncp->rgrc[2].top, ncp->rgrc[2].right, ncp->rgrc[2].bottom);
-					OutTraceDW("WindowProc: WS_NCCALCSIZE winrect=(%d,%d)-(%d,%d)\n", 
-						ncp->lppos->x, ncp->lppos->y, ncp->lppos->cx, ncp->lppos->cy);
-				}
-			}
-			else {
-				// enforce win coordinates and return 0xF0 = WVR_ALIGNTOP|WVR_ALIGNLEFT|WVR_ALIGNBOTTOM|WVR_ALIGNRIGHT;
-				LPRECT rect; 
-				rect=(LPRECT)lparam;
-				OutTraceB("WindowProc: WS_NCCALCSIZE proposed rect=(%d,%d)-(%d,%d)\n", 
-					rect->left, rect->top, rect->right, rect->bottom);
-				rect->left=dxw.iPosX;
-				rect->top=dxw.iPosY;
-				rect->right=dxw.iPosX+dxw.iSizX;
-				rect->bottom=dxw.iPosY+dxw.iSizY;
-				OutTraceB("WindowProc: WS_NCCALCSIZE fixed rect=(%d,%d)-(%d,%d)\n", 
-					rect->left, rect->top, rect->right, rect->bottom);
-				return WVR_ALIGNTOP|WVR_ALIGNLEFT|WVR_ALIGNBOTTOM|WVR_ALIGNRIGHT;
-			}
+	case WM_NCPAINT:
+		if((dxw.dwFlags1 & LOCKWINPOS) && (hwnd == dxw.GethWnd()) && dxw.IsFullScreen()){ // v2.02.30: don't alter child and other windows....
+			OutTraceDW("WindowProc: %s wparam=%x\n", ExplainWinMessage(message), wparam);
+			return (*pDefWindowProc)(hwnd, message, wparam, lparam);
 		}
 		break;
 	case WM_NCCREATE:
diff --git a/dll/dxwnd.cpp b/dll/dxwnd.cpp
index 9516796..8039986 100644
--- a/dll/dxwnd.cpp
+++ b/dll/dxwnd.cpp
@@ -24,7 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "dxwnd.h"
 #include "dxwcore.hpp"
 
-#define VERSION "2.02.55"
+#define VERSION "2.02.57"
 
 #define DDTHREADLOCK 1
 
diff --git a/dll/dxwnd.vs2008.suo b/dll/dxwnd.vs2008.suo
index 547bfed..ad61a09 100644
Binary files a/dll/dxwnd.vs2008.suo and b/dll/dxwnd.vs2008.suo differ
diff --git a/dll/hd3d7.cpp b/dll/hd3d7.cpp
index 50d38aa..f8e9bf9 100644
--- a/dll/hd3d7.cpp
+++ b/dll/hd3d7.cpp
@@ -618,6 +618,17 @@ HRESULT WINAPI extCreateViewport3(void *lpd3d, LPDIRECT3DVIEWPORT3 *lpViewport,
 	if(res) OutTraceE("CreateViewport(3) ERROR: err=%x(%s) at %d\n", res, ExplainDDError(res), __LINE__);
 	else OutTraceD3D("CreateViewport(3): Viewport=%x\n", *lpViewport);
 	HookViewport((LPDIRECT3DVIEWPORT *)lpViewport, 3);
+	if(IsDebug){
+		HRESULT res2;
+		D3DVIEWPORT2 vpdesc;
+		vpdesc.dwSize = sizeof(D3DVIEWPORT2);
+		res2=(*pGetViewport2_3)(*lpViewport, &vpdesc);
+		if(res) 
+			OutTraceE("CreateViewport(3) ERROR: err=%x(%s) at %d\n", res, ExplainDDError(res), __LINE__);
+		else
+			OutTraceD3D("CreateViewport(3): size=%d pos=(%d,%d) dim=(%dx%d)\n",
+				vpdesc.dwSize, vpdesc.dwX, vpdesc.dwY, vpdesc.dwWidth, vpdesc.dwHeight);
+	}
 	return res;
 }
 
@@ -1115,17 +1126,39 @@ HRESULT WINAPI extGetCurrentViewport3(void *d3dd, LPDIRECT3DVIEWPORT3 *lpd3dvp)
 		return res;
 	}
 	HookViewport((LPDIRECT3DVIEWPORT *)lpd3dvp, 3);
+	if(IsDebug){
+		HRESULT res2;
+		D3DVIEWPORT2 vpdesc;
+		vpdesc.dwSize = sizeof(D3DVIEWPORT2);
+		res2=(*pGetViewport2_3)(lpd3dvp, &vpdesc);
+		if(res) 
+			OutTraceE("GetCurrentViewport(D3DD3) ERROR: err=%x(%s) at %d\n", res, ExplainDDError(res), __LINE__);
+		else
+			OutTraceD3D("GetCurrentViewport(D3DD3): size=%d pos=(%d,%d) dim=(%dx%d)\n",
+				vpdesc.dwSize, vpdesc.dwX, vpdesc.dwY, vpdesc.dwWidth, vpdesc.dwHeight);
+	}
 	return res;
 }
 
-HRESULT WINAPI extSetCurrentViewport3(void *lpvp, LPDIRECT3DVIEWPORT3 vpd)
+HRESULT WINAPI extSetCurrentViewport3(void *lpvp, LPDIRECT3DVIEWPORT3 lpd3dvp)
 {
 	HRESULT res;
 
-	OutTraceD3D("SetCurrentViewport(D3DD3): viewport=%x\n", lpvp, vpd);
-	res=(*pSetCurrentViewport3)(lpvp, vpd);
+	OutTraceD3D("SetCurrentViewport(D3DD3): viewport=%x\n", lpvp, lpd3dvp);
+	res=(*pSetCurrentViewport3)(lpvp, lpd3dvp);
 	if(res) OutTraceE("SetCurrentViewport(D3DD3) ERROR: err=%x(%s) at %d\n", res, ExplainDDError(res), __LINE__);
 	else OutTraceD3D("SetCurrentViewport(D3DD3): OK\n");
+	if(IsDebug){
+		HRESULT res2;
+		D3DVIEWPORT2 vpdesc;
+		vpdesc.dwSize = sizeof(D3DVIEWPORT2);
+		res2=(*pGetViewport2_3)(lpd3dvp, &vpdesc);
+		if(res) 
+			OutTraceE("SetCurrentViewport(D3DD3) ERROR: err=%x(%s) at %d\n", res, ExplainDDError(res), __LINE__);
+		else
+			OutTraceD3D("SetCurrentViewport(D3DD3): size=%d pos=(%d,%d) dim=(%dx%d)\n",
+				vpdesc.dwSize, vpdesc.dwX, vpdesc.dwY, vpdesc.dwWidth, vpdesc.dwHeight);
+	}
 	return res;
 }
 
diff --git a/host/dxwndhost.vs2008.suo b/host/dxwndhost.vs2008.suo
index 70653fa..a74b152 100644
Binary files a/host/dxwndhost.vs2008.suo and b/host/dxwndhost.vs2008.suo differ