wshom.ocx: Don't show a message box on ShellExecute error.

dlls/wshom.ocx/shell.c

@@ -1374,7 +1374,8 @@ static HRESULT WINAPI WshShell3_Run(IWshShell3 *iface, BSTR cmd, VARIANT *style,
 
     memset(&info, 0, sizeof(info));
     info.cbSize = sizeof(info);
-    info.fMask = waitforprocess ? SEE_MASK_NOASYNC | SEE_MASK_NOCLOSEPROCESS : SEE_MASK_DEFAULT;
+    info.fMask = SEE_MASK_FLAG_NO_UI;
+    info.fMask |= waitforprocess ? SEE_MASK_NOASYNC | SEE_MASK_NOCLOSEPROCESS : SEE_MASK_DEFAULT;
     info.lpFile = file;
     info.lpParameters = params;
     info.nShow = show;
@@ -1384,7 +1385,7 @@ static HRESULT WINAPI WshShell3_Run(IWshShell3 *iface, BSTR cmd, VARIANT *style,
     if (!ret)
     {
         TRACE("ShellExecute failed, %ld\n", GetLastError());
-        return HRESULT_FROM_WIN32(GetLastError());
+        *exit_code = GetLastError();
     }
     else
     {
@@ -1399,8 +1400,8 @@ static HRESULT WINAPI WshShell3_Run(IWshShell3 *iface, BSTR cmd, VARIANT *style,
         else
             *exit_code = 0;
 
-        return S_OK;
     }
+    return S_OK;
 }
 
 struct popup_thread_param

dlls/wshom.ocx/tests/wshom.c

@@ -284,7 +284,7 @@ static void test_wshshell(void)
     str = SysAllocString(L"\"cmd.exe \" /c rd /s /q c:\\nosuchdir");
     hr = IWshShell3_Run(sh3, str, &arg, &arg2, &retval);
     ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
-    todo_wine ok(retval == ERROR_FILE_NOT_FOUND, "Unexpected retval %d.\n", retval);
+    ok(retval == ERROR_FILE_NOT_FOUND, "Unexpected retval %d.\n", retval);
     SysFreeString(str);
 
     GetSystemDirectoryW(path, ARRAY_SIZE(path));