diff --git a/application/dialogs/ExportInstanceDialog.cpp b/application/dialogs/ExportInstanceDialog.cpp
index ec376b1d..ec46b6ba 100644
--- a/application/dialogs/ExportInstanceDialog.cpp
+++ b/application/dialogs/ExportInstanceDialog.cpp
@@ -30,6 +30,7 @@
 #include "SeparatorPrefixTree.h"
 #include "Env.h"
 #include <icons/IconList.h>
+#include <FileSystem.h>
 
 class PackIgnoreProxy : public QSortFilterProxyModel
 {
@@ -469,15 +470,16 @@ void ExportInstanceDialog::loadPackIgnore()
 
 void ExportInstanceDialog::savePackIgnore()
 {
-	auto filename = ignoreFileName();
-	QSaveFile ignoreFile(filename);
-	if(!ignoreFile.open(QIODevice::WriteOnly))
-	{
-		ignoreFile.cancelWriting();
-	}
 	auto data = proxyModel->blockedPaths().toStringList().join('\n').toUtf8();
-	ignoreFile.write(data);
-	ignoreFile.commit();
+	auto filename = ignoreFileName();
+	try
+	{
+		FS::write(filename, data);
+	}
+	catch (Exception & e)
+	{
+		qWarning() << e.cause();
+	}
 }
 
 #include "ExportInstanceDialog.moc"
diff --git a/logic/BaseConfigObject.cpp b/logic/BaseConfigObject.cpp
index ff698ad0..3040ac2e 100644
--- a/logic/BaseConfigObject.cpp
+++ b/logic/BaseConfigObject.cpp
@@ -16,12 +16,12 @@
 #include "BaseConfigObject.h"
 
 #include <QTimer>
-#include <QSaveFile>
 #include <QFile>
 #include <QCoreApplication>
 #include <QDebug>
 
 #include "Exception.h"
+#include "FileSystem.h"
 
 BaseConfigObject::BaseConfigObject(const QString &filename)
 	: m_filename(filename)
@@ -76,19 +76,13 @@ void BaseConfigObject::saveNow()
 		return;
 	}
 
-	QSaveFile file(m_filename);
-	if (!file.open(QFile::WriteOnly))
+	try
 	{
-		qWarning() << "Couldn't open" << m_filename << "for writing:" << file.errorString();
-		return;
+		FS::write(m_filename, doSave());
 	}
-	// cppcheck-suppress pureVirtualCall
-	file.write(doSave());
-
-	if (!file.commit())
+	catch (Exception & e)
 	{
-		qCritical() << "Unable to commit the file" << file.fileName() << ":" << file.errorString();
-		file.cancelWriting();
+		qCritical() << e.cause();
 	}
 }
 void BaseConfigObject::loadNow()
@@ -98,21 +92,11 @@ void BaseConfigObject::loadNow()
 		saveNow();
 	}
 
-	QFile file(m_filename);
-	if (!file.exists())
-	{
-		return;
-	}
-	if (!file.open(QFile::ReadOnly))
-	{
-		qWarning() << "Couldn't open" << m_filename << "for reading:" << file.errorString();
-		return;
-	}
 	try
 	{
-		doLoad(file.readAll());
+		doLoad(FS::read(m_filename));
 	}
-	catch (Exception &e)
+	catch (Exception & e)
 	{
 		qWarning() << "Error loading" << m_filename << ":" << e.cause();
 	}
diff --git a/logic/Json.cpp b/logic/Json.cpp
index 46055909..97bab474 100644
--- a/logic/Json.cpp
+++ b/logic/Json.cpp
@@ -3,7 +3,6 @@
 #include "Json.h"
 
 #include <QFile>
-#include <QSaveFile>
 
 #include "FileSystem.h"
 #include <math.h>
diff --git a/logic/net/HttpMetaCache.cpp b/logic/net/HttpMetaCache.cpp
index bfd2cb42..977e3a90 100644
--- a/logic/net/HttpMetaCache.cpp
+++ b/logic/net/HttpMetaCache.cpp
@@ -15,12 +15,12 @@
 
 #include "Env.h"
 #include "HttpMetaCache.h"
+#include "FileSystem.h"
 #include <pathutils.h>
 
 #include <QFileInfo>
 #include <QFile>
 #include <QTemporaryFile>
-#include <QSaveFile>
 #include <QDateTime>
 #include <QCryptographicHash>
 
@@ -230,9 +230,6 @@ void HttpMetaCache::SaveEventually()
 
 void HttpMetaCache::SaveNow()
 {
-	QSaveFile tfile(m_index_file);
-	if (!tfile.open(QIODevice::WriteOnly | QIODevice::Truncate))
-		return;
 	QJsonObject toplevel;
 	toplevel.insert("version", QJsonValue(QString("1")));
 	QJsonArray entriesArr;
@@ -259,12 +256,14 @@ void HttpMetaCache::SaveNow()
 		}
 	}
 	toplevel.insert("entries", entriesArr);
+
 	QJsonDocument doc(toplevel);
-	QByteArray jsonData = doc.toJson();
-	qint64 result = tfile.write(jsonData);
-	if (result == -1)
-		return;
-	if (result != jsonData.size())
-		return;
-	tfile.commit();
+	try
+	{
+		FS::write(m_index_file, doc.toJson());
+	}
+	catch (Exception & e)
+	{
+		qWarning() << e.what();
+	}
 }
diff --git a/logic/settings/INIFile.cpp b/logic/settings/INIFile.cpp
index 5d9052e9..5f39f213 100644
--- a/logic/settings/INIFile.cpp
+++ b/logic/settings/INIFile.cpp
@@ -14,6 +14,7 @@
  */
 
 #include "settings/INIFile.h"
+#include <FileSystem.h>
 
 #include <QFile>
 #include <QTextStream>
@@ -74,14 +75,7 @@ QString INIFile::escape(QString orig)
 
 bool INIFile::saveFile(QString fileName)
 {
-	QSaveFile file(fileName);
-	if(!file.open(QIODevice::WriteOnly))
-	{
-		qCritical() << "Unable to open INI config file" << fileName << "for saving";
-		return false;
-	}
 	QByteArray outArray;
-
 	for (Iterator iter = begin(); iter != end(); iter++)
 	{
 		QString value = iter.value().toString();
@@ -91,18 +85,17 @@ bool INIFile::saveFile(QString fileName)
 		outArray.append(value.toUtf8());
 		outArray.append('\n');
 	}
-	if(file.write(outArray) != outArray.size())
+
+	try
 	{
-		qCritical() << "Unable to write to the INI config file" << fileName;
-		file.cancelWriting();
-		return false;
-	}
-	if(!file.commit())
-	{
-		qCritical() << "Unable to commit the INI config file" << fileName;
-		file.cancelWriting();
+		FS::write(fileName, outArray);
+	}
+	catch (Exception & e)
+	{
+		qCritical() << e.what();
 		return false;
 	}
+
 	return true;
 }