diff --git a/client/Application.cpp b/client/Application.cpp
index b0843b686..e1c3b6fb1 100644
--- a/client/Application.cpp
+++ b/client/Application.cpp
@@ -326,7 +326,7 @@ Application::Application( int &argc, char **argv )
 	QTimer::singleShot(0, this, [this] {
 		auto lessThanVersion = [](QLatin1String key) {
 			return QVersionNumber::fromString(applicationVersion()) <
-				   QVersionNumber::fromString(confValue(key).toString());
+				QVersionNumber::fromString(confValue(key).toString());
 		};
 		WarningDialog *dlg{};
 		if(lessThanVersion(QLatin1String("QDIGIDOC4-UNSUPPORTED")))
@@ -347,13 +347,13 @@ Application::Application( int &argc, char **argv )
 				"macOS users can download the latest ID-software version from the "
 				"<a href=\"https://itunes.apple.com/ee/developer/ria/id556524921?mt=12\">Mac App Store</a>."));
 		}
-		connect(d->conf, &Configuration::finished, this, [&](bool changed, const QString &){
+		connect(d->conf, &Configuration::finished, this, [lessThanVersion](bool changed, const QString &){
 			if(changed && lessThanVersion(QLatin1String("QDIGIDOC4-LATEST")))
-				dlg = WarningDialog::show(tr(
+				(new WarningDialog(tr(
 					"An ID-software update has been found. To download the update, go to the "
 					"<a href=\"https://www.id.ee/en/article/install-id-software/\">id.ee</a> website. "
 					"macOS users can download the update from the "
-					"<a href=\"https://itunes.apple.com/ee/developer/ria/id556524921?mt=12\">Mac App Store</a>."));
+					"<a href=\"https://itunes.apple.com/ee/developer/ria/id556524921?mt=12\">Mac App Store</a>."), mainWindow()))->exec();
 		});
 #ifdef Q_OS_WIN
 		if(dlg)
@@ -420,22 +420,7 @@ Application::Application( int &argc, char **argv )
 	{
 		digidoc::Conf::init( new DigidocConf );
 		d->signer = new QSigner(this);
-		QString cache = confValue(TSLCache).toString();
-		QDir().mkpath( cache );
-		QDateTime tslTime = QDateTime::currentDateTimeUtc().addDays(-7);
-		for(const QString &file: QDir(QStringLiteral(":/TSL/")).entryList())
-		{
-			QFile tl(cache + "/" + file);
-			if(!tl.exists() ||
-				readTSLVersion(":/TSL/" + file) > readTSLVersion(tl.fileName()))
-			{
-				tl.remove();
-				QFile::copy(":/TSL/" + file, tl.fileName());
-				tl.setPermissions(QFile::Permissions(0x6444));
-				if(tl.open(QFile::Append))
-					tl.setFileTime(tslTime, QFileDevice::FileModificationTime);
-			}
-		}
+		updateTSLCache(QDateTime::currentDateTimeUtc().addDays(-7));
 
 		digidoc::initialize(applicationName().toUtf8().constData(), QStringLiteral("%1/%2 (%3)")
 			.arg(applicationName(), applicationVersion(), applicationOs()).toUtf8().constData(),
@@ -946,6 +931,27 @@ void Application::showWarning( const QString &msg, const digidoc::Exception &e )
 
 QSigner* Application::signer() const { return d->signer; }
 
+void Application::updateTSLCache(const QDateTime &tslTime)
+{
+	QString cache = confValue(Application::TSLCache).toString();
+	QDir().mkpath(cache);
+	const QStringList tsllist = QDir(QStringLiteral(":/TSL/")).entryList();
+	for(const QString &file: tsllist)
+	{
+		if(QFile tl(cache + "/" + file);
+			Application::readTSLVersion(":/TSL/" + file) > Application::readTSLVersion(tl.fileName()))
+		{
+			const QStringList cleanup = QDir(cache, file + QStringLiteral("*")).entryList();
+			for(const QString &rm: cleanup)
+				QFile::remove(cache + "/" + rm);
+			QFile::copy(":/TSL/" + file, tl.fileName());
+			tl.setPermissions(QFile::Permissions(0x6444));
+			if(tslTime.isValid() && tl.open(QFile::Append))
+				tl.setFileTime(tslTime, QFileDevice::FileModificationTime);
+		}
+	}
+}
+
 void Application::waitForTSL( const QString &file )
 {
 	if(!CONTAINER_EXT.contains(QFileInfo(file).suffix(), Qt::CaseInsensitive))
diff --git a/client/Application.h b/client/Application.h
index 373805c18..8c3adaf2d 100644
--- a/client/Application.h
+++ b/client/Application.h
@@ -75,6 +75,7 @@ class Application final: public Common
 	static uint readTSLVersion(const QString &path);
 	static void setConfValue( ConfParameter parameter, const QVariant &value );
 	static void showClient(const QStringList &params = {}, bool crypto = false, bool sign = false, bool newWindow = false);
+	static void updateTSLCache(const QDateTime &tslTime);
 
 private Q_SLOTS:
 	static void browse(const QUrl &url);
diff --git a/client/dialogs/SettingsDialog.cpp b/client/dialogs/SettingsDialog.cpp
index 78f60596b..4751f0922 100644
--- a/client/dialogs/SettingsDialog.cpp
+++ b/client/dialogs/SettingsDialog.cpp
@@ -210,7 +210,7 @@ SettingsDialog::SettingsDialog(int page, QWidget *parent)
 
 	connect(ui->btnCheckConnection, &QPushButton::clicked, this, &SettingsDialog::checkConnection);
 	connect(ui->btnFirstRun, &QPushButton::clicked, this, [this] {
-		FirstRun *dlg = new FirstRun(this);
+		auto *dlg = new FirstRun(this);
 		connect(dlg, &FirstRun::langChanged, this, [this](const QString &lang) {
 			retranslate(lang);
 			selectLanguage();
@@ -221,21 +221,7 @@ SettingsDialog::SettingsDialog(int page, QWidget *parent)
 #ifdef CONFIG_URL
 		qApp->conf()->update(true);
 #endif
-		QString cache = Application::confValue(Application::TSLCache).toString();
-		const QStringList tsllist = QDir(QStringLiteral(":/TSL/")).entryList();
-		for(const QString &file: tsllist)
-		{
-			const QString target = cache + "/" + file;
-			if(!QFile::exists(target) ||
-				Application::readTSLVersion(":/TSL/" + file) > Application::readTSLVersion(target))
-			{
-				const QStringList cleanup = QDir(cache, file + QStringLiteral("*")).entryList();
-				for(const QString &rm: cleanup)
-					QFile::remove(cache + "/" + rm);
-				QFile::copy(":/TSL/" + file, target);
-				QFile::setPermissions(target, QFile::Permissions(0x6444));
-			}
-		}
+		Application::updateTSLCache({});
 	});
 	connect( ui->btnNavUseByDefault, &QPushButton::clicked, this, &SettingsDialog::useDefaultSettings );
 	connect( ui->btnNavSaveReport, &QPushButton::clicked, this, [=]{