diff --git a/FlashGBX/FlashGBX_GUI.py b/FlashGBX/FlashGBX_GUI.py
index 94b7fc2..2fe4e87 100644
--- a/FlashGBX/FlashGBX_GUI.py
+++ b/FlashGBX/FlashGBX_GUI.py
@@ -659,7 +659,7 @@ class FlashGBX_GUI(QtWidgets.QWidget):
 								text = "A firmware update for your {:s} device is available. Do you want to update now?".format(dev.GetFullName())
 								msgbox = QtWidgets.QMessageBox(parent=self, icon=QtWidgets.QMessageBox.Information, windowTitle="{:s} {:s}".format(APPNAME, VERSION), text=text, standardButtons=QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No, defaultButton=QtWidgets.QMessageBox.Yes)
 								cb = QtWidgets.QCheckBox("Ignore firmware updates", checked=dontShowAgain)
-								msgbox.setCheckBox(cb)
+								#msgbox.setCheckBox(cb)
 							answer = msgbox.exec()
 							if dev.FW_UPDATE_REQ:
 								if answer == QtWidgets.QMessageBox.Yes:
diff --git a/FlashGBX/fw_GBxCartRW_v1_4.py b/FlashGBX/fw_GBxCartRW_v1_4.py
index 1fe2855..1d7f0fc 100644
--- a/FlashGBX/fw_GBxCartRW_v1_4.py
+++ b/FlashGBX/fw_GBxCartRW_v1_4.py
@@ -292,6 +292,8 @@ class FirmwareUpdaterWindow(QtWidgets.QDialog):
 		if answer == QtWidgets.QMessageBox.Cancel: return
 		self.btnUpdate.setEnabled(False)
 		self.btnClose.setEnabled(False)
+		self.optDevicePCBVer14.setEnabled(False)
+		self.optDevicePCBVer14a.setEnabled(False)
 		
 		while True:
 			ret = self.FWUPD.WriteFirmware(file_name, self.SetStatus)
@@ -299,6 +301,8 @@ class FirmwareUpdaterWindow(QtWidgets.QDialog):
 				text = "The firmware update is complete!"
 				self.btnUpdate.setEnabled(True)
 				self.btnClose.setEnabled(True)
+				self.optDevicePCBVer14.setEnabled(True)
+				self.optDevicePCBVer14a.setEnabled(True)
 				msgbox = QtWidgets.QMessageBox(parent=self, icon=QtWidgets.QMessageBox.Information, windowTitle="FlashGBX", text=text, standardButtons=QtWidgets.QMessageBox.Ok)
 				answer = msgbox.exec()
 				self.DEVICE = None
@@ -308,6 +312,8 @@ class FirmwareUpdaterWindow(QtWidgets.QDialog):
 				text = "The firmware update is has failed. Please try again."
 				self.btnUpdate.setEnabled(True)
 				self.btnClose.setEnabled(True)
+				self.optDevicePCBVer14.setEnabled(True)
+				self.optDevicePCBVer14a.setEnabled(True)
 				msgbox = QtWidgets.QMessageBox(parent=self, icon=QtWidgets.QMessageBox.Critical, windowTitle="FlashGBX", text=text, standardButtons=QtWidgets.QMessageBox.Ok)
 				answer = msgbox.exec()
 				return False
@@ -315,6 +321,8 @@ class FirmwareUpdaterWindow(QtWidgets.QDialog):
 				text = "The firmware update file is corrupted. Please re-install the application."
 				self.btnUpdate.setEnabled(True)
 				self.btnClose.setEnabled(True)
+				self.optDevicePCBVer14.setEnabled(True)
+				self.optDevicePCBVer14a.setEnabled(True)
 				msgbox = QtWidgets.QMessageBox(parent=self, icon=QtWidgets.QMessageBox.Critical, windowTitle="FlashGBX", text=text, standardButtons=QtWidgets.QMessageBox.Ok)
 				answer = msgbox.exec()
 				return False
@@ -326,4 +334,6 @@ class FirmwareUpdaterWindow(QtWidgets.QDialog):
 		if enableUI:
 			self.btnUpdate.setEnabled(True)
 			self.btnClose.setEnabled(True)
+			self.optDevicePCBVer14.setEnabled(True)
+			self.optDevicePCBVer14a.setEnabled(True)
 		self.APP.QT_APP.processEvents()
diff --git a/FlashGBX/hw_GBxCartRW.py b/FlashGBX/hw_GBxCartRW.py
index bab8673..e6dd917 100644
--- a/FlashGBX/hw_GBxCartRW.py
+++ b/FlashGBX/hw_GBxCartRW.py
@@ -17,6 +17,7 @@ class GbxDevice:
 	DEVICE_NAME = "GBxCart RW"
 	DEVICE_MIN_FW = 1
 	DEVICE_MAX_FW = 7
+	DEVICE_LATEST_FW_TS = { 5:1653902765, 6:1653902765 }
 	
 	DEVICE_CMD = {
 		"NULL":0x30,
@@ -340,7 +341,7 @@ class GbxDevice:
 
 	def FirmwareUpdateAvailable(self):
 		if self.FW["pcb_ver"] not in (5, 6): return False
-		return (self.FW["pcb_ver"] in (4, 5, 6) and self.FW["fw_ver"] < self.DEVICE_MAX_FW)
+		return (self.FW["pcb_ver"] in (4, 5, 6) and self.FW["fw_ts"] < self.DEVICE_LATEST_FW_TS[self.FW["pcb_ver"]])
 	
 	def GetFirmwareUpdaterClass(self):
 		if self.FW["pcb_ver"] == 4: # v1.3
diff --git a/FlashGBX/res/config.zip b/FlashGBX/res/config.zip
index d327de9..d87f9f2 100644
Binary files a/FlashGBX/res/config.zip and b/FlashGBX/res/config.zip differ
diff --git a/FlashGBX/res/fw_GBxCart_RW_v1_4.zip b/FlashGBX/res/fw_GBxCart_RW_v1_4.zip
index e6df47a..9ea2e39 100644
Binary files a/FlashGBX/res/fw_GBxCart_RW_v1_4.zip and b/FlashGBX/res/fw_GBxCart_RW_v1_4.zip differ