diff --git a/xvaga/oswin32.cpp b/xvaga/oswin32.cpp
index 799ea6bea..de9c3e85d 100755
--- a/xvaga/oswin32.cpp
+++ b/xvaga/oswin32.cpp
@@ -157,7 +157,8 @@ void* OsWin32_GetPrinterInfo(int& size, const char* printer)
 		size = ::DocumentProperties(0, hPrinter, name, NULL, NULL, 0); // Determina dimensione DEVMODE
 		if (size > 0)
 		{
-			pdm = (LPDEVMODE) new char[size]; // Alloca un DEVMODE sufficientemente capiente
+			pdm = (LPDEVMODE)new char[size]; // Alloca un DEVMODE sufficientemente capiente
+      memset(pdm, 0, size);
 			::DocumentProperties(0, hPrinter, name, pdm, NULL, DM_OUT_BUFFER); // Legge DEVMODE
 		}
 		else
@@ -197,8 +198,9 @@ bool OsWin32_DrawBitmap(const wxBitmap& bmp, wxDC& dc, const wxRect& dst, const
 	  const int nTechno = ::GetDeviceCaps(hDC, TECHNOLOGY);
     if (nTechno == DT_RASPRINTER) // Sto stampando!
 	  {
-      BITMAPINFO* bi = (BITMAPINFO *) malloc( sizeof( BITMAPINFOHEADER ) + 256 * sizeof(RGBQUAD ) );
-      memset(bi, 0, sizeof( BITMAPINFOHEADER ) );
+      const size_t bi_size = sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD);
+      BITMAPINFO* bi = (BITMAPINFO*)malloc(bi_size);
+      memset(bi, 0, bi_size);
       BITMAPINFOHEADER& bih = bi->bmiHeader;
 
 	    bih.biSize = sizeof(bih);
@@ -707,10 +709,10 @@ BOOL OsWin32_SpoolRow(const char*  pData,
   bAbort = FALSE;
   iEsc = PASSTHROUGH;
   if (!Escape(hPrnDC, QUERYESCSUPPORT, sizeof(int), (LPSTR)&iEsc, NULL))
-    {
+  {
     bAbort = TRUE;
     goto MPLCleanUp;
-    }
+  }
 
   // Call EPSPRINTING if it is supported (that is, if we're on a
   // PostScript printer) to suppress downloading the pscript header.
@@ -718,8 +720,8 @@ BOOL OsWin32_SpoolRow(const char*  pData,
   iEsc = EPSPRINTING;
   if (Escape(hPrnDC, QUERYESCSUPPORT, sizeof(int), (LPSTR)&iEsc, NULL))
   {
-     iEsc = 1;  // 1 == enable PASSTHROUGH (disable pscript header)
-     Escape(hPrnDC, EPSPRINTING, sizeof(int), (LPSTR)&iEsc, NULL);
+    iEsc = 1;  // 1 == enable PASSTHROUGH (disable pscript header)
+    Escape(hPrnDC, EPSPRINTING, sizeof(int), (LPSTR)&iEsc, NULL);
   }
 
 
diff --git a/xvaga/xvtextra.cpp b/xvaga/xvtextra.cpp
index 0aa1eff3d..eb5181149 100755
--- a/xvaga/xvtextra.cpp
+++ b/xvaga/xvtextra.cpp
@@ -34,6 +34,8 @@ void TPRINT_RCD::SetData(void* data, unsigned int nSize)
     memcpy(m_data, data, nSize);
 	  m_size = nSize;
 	}
+  else
+    xvt_dm_post_error("Printer info exceeds 16K");
 }
 
 TPRINT_RCD::TPRINT_RCD() : m_size(0)