diff --git a/ethcore/res/ethereum/frontier.json b/ethcore/res/ethereum/frontier.json
index ecaefa4c3..be473237c 100644
--- a/ethcore/res/ethereum/frontier.json
+++ b/ethcore/res/ethereum/frontier.json
@@ -131,10 +131,10 @@
 					"0x807640a13483f8ac783c557fcdf27be11ea4ac7a"
 				],
 				"eip150Transition": "0x259518",
-				"eip155Transition": 2642462,
-				"eip160Transition": 2642462,
-				"eip161abcTransition": 2642462,
-				"eip161dTransition": 2642462
+				"eip155Transition": "0x7fffffffffffffff",
+				"eip160Transition": "0x7fffffffffffffff",
+				"eip161abcTransition": "0x7fffffffffffffff",
+				"eip161dTransition": "0x7fffffffffffffff"
 			}
 		}
 	},
@@ -176,7 +176,13 @@
 		"enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303",
 		"enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303",
 		"enode://1118980bf48b0a3640bdba04e0fe78b1add18e1cd99bf22d53daac1fd9972ad650df52176e7c7d89d1114cfef2bc23a2959aa54998a46afcf7d91809f0855082@52.74.57.123:30303",
-		"enode://4cd540b2c3292e17cff39922e864094bf8b0741fcc8c5dcea14957e389d7944c70278d872902e3d0345927f621547efa659013c400865485ab4bfa0c6596936f@138.201.144.135:30303"
+		"enode://4cd540b2c3292e17cff39922e864094bf8b0741fcc8c5dcea14957e389d7944c70278d872902e3d0345927f621547efa659013c400865485ab4bfa0c6596936f@138.201.144.135:30303",
+
+		"enode://89d5dc2a81e574c19d0465f497c1af96732d1b61a41de89c2a37f35707689ac416529fae1038809852b235c2d30fd325abdc57c122feeefbeaaf802cc7e9580d@45.55.33.62:30303",
+		"enode://605e04a43b1156966b3a3b66b980c87b7f18522f7f712035f84576016be909a2798a438b2b17b1a8c58db314d88539a77419ca4be36148c086900fba487c9d39@188.166.255.12:30303",
+		"enode://016b20125f447a3b203a3cae953b2ede8ffe51290c071e7599294be84317635730c397b8ff74404d6be412d539ee5bb5c3c700618723d3b53958c92bd33eaa82@159.203.210.80:30303",
+		"enode://01f76fa0561eca2b9a7e224378dd854278735f1449793c46ad0c4e79e8775d080c21dcc455be391e90a98153c3b05dcc8935c8440de7b56fe6d67251e33f4e3c@10.6.6.117:30303",
+		"enode://fe11ef89fc5ac9da358fc160857855f25bbf9e332c79b9ca7089330c02b728b2349988c6062f10982041702110745e203d26975a6b34bcc97144f9fe439034e8@10.1.72.117:30303"
 	],
 	"accounts": {
 		"0000000000000000000000000000000000000001": { "builtin": { "name": "ecrecover", "pricing": { "linear": { "base": 3000, "word": 0 } } } },
diff --git a/ethcore/res/ethereum/tests b/ethcore/res/ethereum/tests
index 853333e7d..9028c4801 160000
--- a/ethcore/res/ethereum/tests
+++ b/ethcore/res/ethereum/tests
@@ -1 +1 @@
-Subproject commit 853333e7da312775fb8f32f2c2771b8578cd0d79
+Subproject commit 9028c4801fd39fbb71a9796979182549a24e81c8
diff --git a/nsis/installer.nsi b/nsis/installer.nsi
index e17e752b5..b6345450b 100644
--- a/nsis/installer.nsi
+++ b/nsis/installer.nsi
@@ -12,7 +12,7 @@
 !define VERSIONMINOR 4
 !define VERSIONBUILD 2
 !define ARGS "--warp"
-!define FIRST_START_ARGS "--warp --mode=passive"
+!define FIRST_START_ARGS "ui --warp --mode=passive"
 
 !addplugindir .\
 
@@ -160,6 +160,9 @@ section "uninstall"
 	!insertmacro TerminateApp
 	# Remove Start Menu launcher
 	delete "$SMPROGRAMS\${COMPANYNAME}\${APPNAME}.lnk"
+	delete "$SMPROGRAMS\${COMPANYNAME}\${APPNAME} Ethereum.lnk"
+	delete "$DESKTOP\${APPNAME} Ethereum.lnk"
+
 	# Try to remove the Start Menu folder - this will only happen if it is empty
 	rmDir "$SMPROGRAMS\${COMPANYNAME}"
 
diff --git a/windows/ptray/ptray.cpp b/windows/ptray/ptray.cpp
index cb33ad68a..8c50df2c1 100644
--- a/windows/ptray/ptray.cpp
+++ b/windows/ptray/ptray.cpp
@@ -41,6 +41,7 @@ DWORD parityProcId = 0;
 NOTIFYICONDATA nidApp;
 WCHAR szTitle[MAX_LOADSTRING];
 WCHAR szWindowClass[MAX_LOADSTRING];
+LPCWCHAR commandLineFiltered = L"";
 
 LPCWSTR cParityExe = _T("parity.exe");
 
@@ -85,7 +86,6 @@ int APIENTRY wWinMain(_In_ HINSTANCE hInstance,
 		OpenUI();
 		return 0;
 	}
-		
 
 	LoadStringW(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
 	LoadStringW(hInstance, IDC_PTRAY, szWindowClass, MAX_LOADSTRING);
@@ -133,6 +133,24 @@ ATOM MyRegisterClass(HINSTANCE hInstance)
 
 bool InitInstance(HINSTANCE hInstance, int nCmdShow, LPWSTR cmdLine)
 {
+	if (lstrlen(cmdLine) > 0)
+	{
+		int commandLineArgs = 0;
+		LPWSTR* commandLine = CommandLineToArgvW(cmdLine, &commandLineArgs);
+		LPWSTR filteredArgs = new WCHAR[lstrlen(cmdLine) + 2];
+		filteredArgs[0] = '\0';
+		for (int i = 0; i < commandLineArgs; i++)
+		{
+			// Remove "ui" from command line
+			if (lstrcmp(commandLine[i], L"ui") != 0)
+			{
+				lstrcat(filteredArgs, commandLine[i]);
+				lstrcat(filteredArgs, L" ");
+			}
+		}
+		commandLineFiltered = filteredArgs;
+	}
+
 	// Check if already running
 	PROCESSENTRY32 entry;
 	entry.dwSize = sizeof(PROCESSENTRY32);
@@ -190,7 +208,9 @@ bool InitInstance(HINSTANCE hInstance, int nCmdShow, LPWSTR cmdLine)
 	nidApp.uCallbackMessage = WM_USER_SHELLICON;
 	LoadString(hInstance, IDS_CONTROL_PARITY, nidApp.szTip, MAX_LOADSTRING);
 	Shell_NotifyIcon(NIM_ADD, &nidApp);
-	return TRUE;
+
+	SetTimer(hWnd, 0, 1000, nullptr);
+	return true;
 
 }
 
@@ -294,8 +314,10 @@ void OpenUI()
 	PROCESS_INFORMATION procInfo = { 0 };
 	STARTUPINFO startupInfo = { sizeof(STARTUPINFO) };
 
-	LPWSTR cmd = _T("parity.exe ui");
-	CreateProcess(path, cmd, nullptr, nullptr, false, CREATE_NO_WINDOW, nullptr, nullptr, &startupInfo, &procInfo);
+	LPWSTR args = new WCHAR[lstrlen(commandLineFiltered) + MAX_PATH + 2];
+	lstrcpy(args, L"parity.exe ui ");
+	lstrcat(args, commandLineFiltered);
+	CreateProcess(path, args, nullptr, nullptr, false, CREATE_NO_WINDOW, nullptr, nullptr, &startupInfo, &procInfo);
 }
 
 bool AutostartEnabled() {
@@ -321,10 +343,14 @@ void EnableAutostart(bool enable) {
 
 	if (enable) 
 	{
-		TCHAR path[MAX_PATH] = { 0 };
-		if (!GetTrayExePath(path, MAX_PATH))
-			return;
-		RegSetValueEx(hKey, L"Parity", 0, REG_SZ, (LPBYTE)path, MAX_PATH);
+		LPWSTR args = new WCHAR[lstrlen(commandLineFiltered) + MAX_PATH + 2];
+		if (GetTrayExePath(args, MAX_PATH))
+		{
+			lstrcat(args, L" ");
+			lstrcat(args, commandLineFiltered);
+			RegSetValueEx(hKey, L"Parity", 0, REG_SZ, (LPBYTE)args, MAX_PATH);
+		}
+		delete[] args;
 	}
 	else
 	{