diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index 368059544..ab39677c0 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -4337,20 +4337,23 @@ void Session::handleMetadataReceivedAlert(libt::metadata_received_alert *p)
 
 void Session::handleFileErrorAlert(libt::file_error_alert *p)
 {
-    qDebug() << Q_FUNC_INFO;
-    // NOTE: Check this function!
     TorrentHandle *const torrent = m_torrents.value(p->handle.info_hash());
-    if (torrent) {
-        const InfoHash hash = torrent->hash();
-        if (!m_recentErroredTorrents.contains(hash)) {
-            m_recentErroredTorrents.insert(hash);
-            const QString msg = QString::fromStdString(p->message());
-            LogMsg(tr("An I/O error occurred, '%1' paused. %2").arg(torrent->name(), msg));
-            emit fullDiskError(torrent, msg);
-        }
+    if (!torrent)
+        return;
 
-        m_recentErroredTorrentsTimer->start();
+    const InfoHash hash = torrent->hash();
+
+    if (!m_recentErroredTorrents.contains(hash)) {
+        m_recentErroredTorrents.insert(hash);
+
+        const QString msg = QString::fromStdString(p->message());
+        LogMsg(tr("File error alert. Torrent: \"%1\". File: \"%2\". Reason: %3")
+                .arg(torrent->name(), p->filename(), msg)
+            , Log::WARNING);
+        emit fullDiskError(torrent, msg);
     }
+
+    m_recentErroredTorrentsTimer->start();
 }
 
 void Session::handlePortmapWarningAlert(libt::portmap_error_alert *p)
diff --git a/src/gui/properties/peerlistwidget.cpp b/src/gui/properties/peerlistwidget.cpp
index eab083c15..8f69ec633 100644
--- a/src/gui/properties/peerlistwidget.cpp
+++ b/src/gui/properties/peerlistwidget.cpp
@@ -462,10 +462,10 @@ void PeerListWidget::handleSortColumnChanged(int col)
 
 void PeerListWidget::wheelEvent(QWheelEvent *event)
 {
-    event->accept();
-
     if (event->modifiers() & Qt::ShiftModifier) {
         // Shift + scroll = horizontal scroll
+        event->accept();
+
         QWheelEvent scrollHEvent(event->pos(), event->globalPos(), event->delta(), event->buttons(), event->modifiers(), Qt::Horizontal);
         QTreeView::wheelEvent(&scrollHEvent);
         return;
diff --git a/src/gui/tagfiltermodel.cpp b/src/gui/tagfiltermodel.cpp
index 02ab1c92f..99f22b67f 100644
--- a/src/gui/tagfiltermodel.cpp
+++ b/src/gui/tagfiltermodel.cpp
@@ -216,15 +216,15 @@ void TagFilterModel::torrentTagAdded(BitTorrent::TorrentHandle *const torrent, c
 
 void TagFilterModel::torrentTagRemoved(BitTorrent::TorrentHandle *const torrent, const QString &tag)
 {
-    Q_ASSERT(torrent->tags().count() >= 0);
-    if (torrent->tags().count() == 0)
+    if (torrent->tags().empty())
         untaggedItem()->increaseTorrentsCount();
 
     const int row = findRow(tag);
-    Q_ASSERT(isValidRow(row));
-    TagModelItem &item = m_tagItems[row];
+    if (row < 0)
+        return;
+
+    m_tagItems[row].decreaseTorrentsCount();
 
-    item.decreaseTorrentsCount();
     const QModelIndex i = index(row, 0, QModelIndex());
     emit dataChanged(i, i);
 }
diff --git a/src/gui/transferlistwidget.cpp b/src/gui/transferlistwidget.cpp
index 79606171f..eb629810c 100644
--- a/src/gui/transferlistwidget.cpp
+++ b/src/gui/transferlistwidget.cpp
@@ -1212,10 +1212,10 @@ bool TransferListWidget::loadSettings()
 
 void TransferListWidget::wheelEvent(QWheelEvent *event)
 {
-    event->accept();
-
     if (event->modifiers() & Qt::ShiftModifier) {
         // Shift + scroll = horizontal scroll
+        event->accept();
+
         QWheelEvent scrollHEvent(event->pos(), event->globalPos(), event->delta(), event->buttons(), event->modifiers(), Qt::Horizontal);
         QTreeView::wheelEvent(&scrollHEvent);
         return;