diff --git a/Contrib/System/Source/System.c b/Contrib/System/Source/System.c
index 90ed75ee..113c8faa 100644
--- a/Contrib/System/Source/System.c
+++ b/Contrib/System/Source/System.c
@@ -567,7 +567,10 @@ void ParamsIn(SystemProc *proc)
             *((__int64*) place) = myatoi(realbuf);
             break;
         case PAT_STRING:
-            *((int*) place) = (int) AllocStr(realbuf);
+/*            if (proc->Params[i].Input == IOT_NONE) 
+                *((int*) place) = (int) NULL;
+            else*/
+                *((int*) place) = (int) AllocStr(realbuf);
             break;
         case PAT_BOOLEAN:
             *((int*) place) = lstrcmpi(realbuf, "true");
@@ -650,6 +653,8 @@ void ParamsOut(SystemProc *proc)
     while (i >= 0);
 }
 
+void _alloca_probe();
+
 SystemProc __declspec(naked) *CallProc(SystemProc *proc)
 {
     int z3;
@@ -669,22 +674,28 @@ SystemProc __declspec(naked) *CallProc(SystemProc *proc)
 
     if ((CallbackIndex > 0) && ((proc->Options & POPT_GENSTACK) == 0))
     {
-        if (LastStackPlace == 0)
-        {
-            // Create new stack
-            LastStackPlace = (int) GlobalAlloc(GPTR, NEW_STACK_SIZE);
-            // Point to stack end
-            LastStackPlace += NEW_STACK_SIZE;
-        }
-
         _asm
         {
-            // Save previous stack location
             push    ebp
+            // Save previous stack location
             mov     LastStackReal, esp
-            // Move stack pointer
-            mov     esp, LastStackPlace
         }
+
+        if (LastStackPlace == 0)
+        {
+            _asm
+            {
+                // Create new stack
+                mov     eax, NEW_STACK_SIZE
+                call    _alloca_probe
+                mov     LastStackPlace, esp
+            }
+        } else
+            _asm
+            {
+                // Move stack pointer
+                mov     esp, LastStackPlace
+            }
     }
 
     // Push arguments to stack
@@ -735,7 +746,7 @@ SystemProc __declspec(naked) *CallProc(SystemProc *proc)
     // In case of cdecl convention we should clear stack
     if ((proc->Options & POPT_CDECL) != 0)
     {
-        if ((CallbackIndex > 0) && ((LastProc->Options & POPT_GENSTACK) == 0))
+        if ((CallbackIndex > 0) && ((proc->Options & POPT_GENSTACK) == 0))
         {
             // In case of temporary stack
             for (z3 = 1; z3 <= proc->ParamCount; z3++)
@@ -752,6 +763,9 @@ SystemProc __declspec(naked) *CallProc(SystemProc *proc)
         }
     }
 
+    // In case of cleared call-proc-queue -> clear allocated stack place (more flexible)
+    if (LastProc == NULL) LastStackPlace = NULL;
+
     // Save return
     proc->Params[0].Value = z1;
     if (proc->Params[0].Size == 2) 
@@ -935,6 +949,7 @@ HANDLE CreateCallback(SystemProc *cbproc)
 
 void CallStruct(SystemProc *proc)
 {
+    BOOL ssflag = FALSE; // structsize flag -> structure size should be loaded
     int i, structsize = 0, size = 0;
     char *st, *ptr;
 
@@ -974,16 +989,12 @@ void CallStruct(SystemProc *proc)
             switch (proc->Params[i].Type)
             {
             case PAT_VOID: ptr = NULL; break;
-            case PAT_INT: 
-                // clear unused value bits
-                proc->Params[i].Value &= intmask[((size >= 0) && (size < 4))?(size):(0)];
-                // pointer
-                ptr = (char*) &(proc->Params[i].Value); 
-                break;
             case PAT_LONG: 
                 // real structure size
                 proc->Params[i].Value = structsize;
                 proc->Params[i]._value = 0;
+                ssflag = TRUE;
+            case PAT_INT: 
                 // clear unused value bits
                 proc->Params[i].Value &= intmask[((size >= 0) && (size < 4))?(size):(0)];
                 // pointer
@@ -997,7 +1008,7 @@ void CallStruct(SystemProc *proc)
         if (ptr != NULL)
         {
             // Input
-            if (proc->Params[i].Input != IOT_NONE)
+            if ((proc->Params[i].Input != IOT_NONE) || (ssflag))
                 copymem(st, ptr, size);
 
             // Output
@@ -1013,20 +1024,6 @@ void CallStruct(SystemProc *proc)
     proc->Params[0].Value = (int) proc->Proc;
 }
 
-
-/*__int64 __declspec(dllexport) just(__int64 a, __int64 b, __int64 *c)
-{
-    *c += a*b + 8402934020348;
-    return a*b+(*c);
-}*/
-
-/*typedef int (__stdcall *func)(int a, int b);
-
-int __declspec(dllexport) cbtest(func f)
-{
-    return f(5, 10);
-}*/
-
 BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
 {
         g_hInstance=hInst;
diff --git a/Contrib/System/Source/System.h b/Contrib/System/Source/System.h
index 0676f84c..7b82b742 100644
--- a/Contrib/System/Source/System.h
+++ b/Contrib/System/Source/System.h
@@ -12,7 +12,7 @@
 #define SYSTEM_API __declspec(dllimport)
 #endif
 
-#define NEW_STACK_SIZE     65536
+#define NEW_STACK_SIZE     256*256
 
 // Proc types:
 #define PT_NOTHING      0
diff --git a/Contrib/System/Source/System.vcproj b/Contrib/System/Source/System.vcproj
index f4033b4d..8c557e43 100644
--- a/Contrib/System/Source/System.vcproj
+++ b/Contrib/System/Source/System.vcproj
@@ -83,7 +83,7 @@
 				Name="VCCustomBuildTool"/>
 			<Tool
 				Name="VCLinkerTool"
-				AdditionalDependencies="kernel32.lib user32.lib vc7ldvrm.obj vc7lmul.obj vc7lshl.obj vc7lshr.obj "
+				AdditionalDependencies="kernel32.lib user32.lib vc7ldvrm.obj vc7lmul.obj vc7lshl.obj vc7lshr.obj  chkstk.obj"
 				OutputFile="$(OutDir)/System.dll"
 				LinkIncremental="1"
 				IgnoreAllDefaultLibraries="TRUE"
diff --git a/Contrib/System/Source/chkstk.obj b/Contrib/System/Source/chkstk.obj
new file mode 100644
index 00000000..703de1c0
Binary files /dev/null and b/Contrib/System/Source/chkstk.obj differ
diff --git a/Contrib/System/SysFunc.nsh b/Contrib/System/SysFunc.nsh
index d3d86dbb..c34ffa2e 100644
--- a/Contrib/System/SysFunc.nsh
+++ b/Contrib/System/SysFunc.nsh
@@ -83,22 +83,17 @@ Function systemGetFileSysTime
     ; close file search
     System::Call '${sysFindClose}(r3)'
 
-    ; Create systemtime struct for system time
-    System::Call '*${stSYSTEMTIME} .R1'
     ; Create systemtime struct for local time
     System::Call '*${stSYSTEMTIME} .R0'
 
     ; Get File time
     System::Call '*$2${stWIN32_FIND_DATA} (,,, .r3)'
 
+    ; Convert file time (UTC) to local file time
+    System::Call '${sysFileTimeToLocalFileTime}(r3, .r1)'
+
     ; Convert file time to system time
-    System::Call '${sysFileTimeToSystemTime}(r3, R1)'
-
-    ; Convert system time to local time
-    System::Call '${sysSystemTimeToTzSpecificLocalTime}(0, R1, R0)'
-
-    ; that's all, just clear used memory 
-    System::Free $R1
+    System::Call '${sysFileTimeToSystemTime}(r1, R0)'
 
 sgfst_exit:
     ; free used memory for WIN32_FIND_DATA struct
@@ -138,22 +133,25 @@ Function systemMessageBox
 
      ; Load module and get handle
      System::Call '${sysLoadLibrary}($2) .r1'
-     IntCmp $1 0 "0" smbnext smbnext
+     IntCmp $1 0 0 smbnext smbnext
 
      ; Get module handle. This may look stupid (to call GetModuleHandle in case
      ; when the LoadLibrary doesn't works, but LoadLibrary couldn't return 
      ; a handle to starting process (for 'i 0').
      System::Call '${sysGetModuleHandle}($2) .r1'
-smbnext:
 
+     ; Indicate that LoadLibrary wasn't used
+     StrCpy $2 1
+smbnext:
      ; Create MSGBOXPARAMS structure
      System::Call '*${stMSGBOXPARAMS}(, $HWNDPARENT, r1, r3, r4, "$5|${MB_USERICON}", $6, _) .r0'
      ; call MessageBoxIndirect
      System::Call '${sysMessageBoxIndirect}(r0) .R0'
      ; free MSGBOXPARAMS structure
+
      System::Free $0
 
-     ; have we got ready module handle at start?
+     ; have we used load library at start?
      IntCmp $2 0 0 smbskipfree smbskipfree
      ; No, then free the module
      System::Call '${sysFreeLibrary}(r1)'
@@ -331,7 +329,7 @@ Function systemSplash
    Pop $3
 
    ; Create window class
-   System::Call "*${stWNDCLASS} (,r3,,,r7,,R9,,,s) .R9" "_sp"
+   System::Call "*${stWNDCLASS} (0,r3,0,0,r7,0,R9,0,i 0,'_sp') .R9"
 
    ; Register window class
    System::Call "${sysRegisterClass} (R9) .R9"
@@ -373,8 +371,8 @@ repeat:
 
 finish:
    ; Stop the sound
-   System::Call "${sysPlaySound}"
-   
+   System::Call "${sysPlaySound} (i 0, i 0, i 0)"
+
    ; Delete bitmap object
    System::Call "${sysDeleteObject} (r6)"
 
diff --git a/Contrib/System/System.nsh b/Contrib/System/System.nsh
index 2c9c8757..13c193a6 100644
--- a/Contrib/System/System.nsh
+++ b/Contrib/System/System.nsh
@@ -120,6 +120,11 @@
 ; LPSYSTEMTIME lpSystemTime);
 !define sysFileTimeToSystemTime 'kernel32::FileTimeToSystemTime(*l, i) i'
 
+; BOOL FileTimeToLocalFileTime(
+;       CONST FILETIME *lpFileTime, 
+;       LPFILETIME lpLocalFileTime);
+!define sysFileTimeToLocalFileTime 'kernel32::FileTimeToLocalFileTime(*l, *l) i'
+
 ; BOOL SystemTimeToTzSpecificLocalTime(LPTIME_ZONE_INFORMATION lpTimeZone, 
 ; LPSYSTEMTIME lpUniversalTime, LPSYSTEMTIME lpLocalTime);
 !define sysSystemTimeToTzSpecificLocalTime 'kernel32::SystemTimeToTzSpecificLocalTime(i, i, i) i'
diff --git a/Plugins/System.dll b/Plugins/System.dll
index 37e7e686..ea89bf5b 100644
Binary files a/Plugins/System.dll and b/Plugins/System.dll differ