From e09510ea9f1116de503477155c9d465369c7bb46 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 30 Jan 2019 17:58:23 +0300
Subject: [PATCH] Fix crash in update checker destruction.

---
 Telegram/SourceFiles/core/update_checker.cpp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/Telegram/SourceFiles/core/update_checker.cpp b/Telegram/SourceFiles/core/update_checker.cpp
index 021da0cf5..dabeddc36 100644
--- a/Telegram/SourceFiles/core/update_checker.cpp
+++ b/Telegram/SourceFiles/core/update_checker.cpp
@@ -1129,9 +1129,10 @@ void Updater::check() {
 void Updater::handleReady() {
 	stop();
 	_action = Action::Ready;
-
-	cSetLastUpdateCheck(unixtime());
-	Local::writeSettings();
+	if (!App::quitting()) {
+		cSetLastUpdateCheck(unixtime());
+		Local::writeSettings();
+	}
 }
 
 void Updater::handleFailed() {
@@ -1156,10 +1157,11 @@ void Updater::handleProgress() {
 
 void Updater::scheduleNext() {
 	stop();
-
-	cSetLastUpdateCheck(unixtime());
-	Local::writeSettings();
-	start(true);
+	if (!App::quitting()) {
+		cSetLastUpdateCheck(unixtime());
+		Local::writeSettings();
+		start(true);
+	}
 }
 
 auto Updater::state() const -> State {