diff --git a/addon/globalPlugins/dokutor_for_nvda/updater.py b/addon/globalPlugins/dokutor_for_nvda/updater.py
index 0a2321b..29b284b 100644
--- a/addon/globalPlugins/dokutor_for_nvda/updater.py
+++ b/addon/globalPlugins/dokutor_for_nvda/updater.py
@@ -46,7 +46,12 @@ def __init__(self):
         if not updatable:
             log.warning("Update check not supported.")
 
-    def autoUpdateCheck(self, mode=0):
+    def autoUpdateCheck(self, mode=AUTO):
+        """
+        Call this method to check for updates. mode=AUTO means automatic update check, and MANUAL means manual triggering like "check for updates" menu invocation.
+        When set to AUTO mode, some dialogs are not displayed (latest and error).
+        """
+
         if not updatable:
             return
         self.updater = NVDAAddOnUpdater(mode)
@@ -212,7 +217,7 @@ def _download(self, url):
     def _downloadSuccess(self):
         self._stopped()
         from gui import addonGui
-        closeAfter = addonGui.AddonsDialog._instance is None or (versionInfo.version_year, versionInfo.version_major) >= (2019, 1)
+        addonGui.promptUserForRestart()
         try:
             try:
                 bundle = addonHandler.AddonBundle(self.destPath.decode("mbcs"))
@@ -236,8 +241,6 @@ def _downloadSuccess(self):
                 gui.ExecAndPump(addonHandler.installAddonBundle, bundle)
             except BaseException:
                 log.error("Error installing  addon bundle from %s" % self.destPath, exc_info=True)
-                if not closeAfter:
-                    addonGui.AddonsDialog(gui.mainFrame).refreshAddonsList()
                 progressDialog.done()
                 del progressDialog
                 gui.messageBox(_("アドオンのアップデートに失敗しました。"),
@@ -245,14 +248,10 @@ def _downloadSuccess(self):
                                wx.OK | wx.ICON_ERROR)
                 return
             else:
-                if not closeAfter:
-                    addonGui.AddonsDialog(gui.mainFrame).refreshAddonsList(activeIndex=-1)
                 progressDialog.done()
                 del progressDialog
         finally:
             self.cleanup_tempfile()
-            if closeAfter:
-                wx.CallLater(1, addonGui.AddonsDialog(gui.mainFrame).Close)
 
     def cleanup_tempfile(self):
         if not os.path.isfile(self.destPath):