diff --git a/ChangeLog.txt b/ChangeLog.txt
index 0a2737930..1b8405e03 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -4,6 +4,7 @@
 - Fix issue with tile font size.
 - [smart-pattern/valentina#171] System identifies two of the same curve.
 - [smart-pattern/valentina#170] Incorrect work with curves.
+- Suspend use of qt_ntfs_permission_lookup. QTBUG-101168
 
 # Valentina 0.7.50 February 14, 2022
 - Fix regression. Minimal seam allowance width is less than the point accuracy values.
diff --git a/src/app/puzzle/vpmainwindow.cpp b/src/app/puzzle/vpmainwindow.cpp
index 436fbea9f..fc2627055 100644
--- a/src/app/puzzle/vpmainwindow.cpp
+++ b/src/app/puzzle/vpmainwindow.cpp
@@ -1864,15 +1864,15 @@ auto VPMainWindow::IsLayoutReadOnly() const -> bool
         return false;
     }
 
-#ifdef Q_OS_WIN32
-    qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//    qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
 
     bool fileWritable = f.isWritable();
 
-#ifdef Q_OS_WIN32
-    qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//    qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
 
     return not fileWritable;
 }
diff --git a/src/app/tape/tmainwindow.cpp b/src/app/tape/tmainwindow.cpp
index 2d8288361..32c81ac6f 100644
--- a/src/app/tape/tmainwindow.cpp
+++ b/src/app/tape/tmainwindow.cpp
@@ -3383,13 +3383,13 @@ void TMainWindow::UpdateWindowTitle()
     bool isFileWritable = true;
     if (not curFile.isEmpty())
     {
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
         isFileWritable = QFileInfo(curFile).isWritable();
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
         showName = StrippedName(curFile);
     }
     else
diff --git a/src/app/valentina/mainwindow.cpp b/src/app/valentina/mainwindow.cpp
index 89fcb029c..89fdff68a 100644
--- a/src/app/valentina/mainwindow.cpp
+++ b/src/app/valentina/mainwindow.cpp
@@ -6809,13 +6809,13 @@ void MainWindow::UpdateWindowTitle()
     bool isFileWritable = true;
     if (not VAbstractValApplication::VApp()->GetPatternPath().isEmpty())
     {
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
         isFileWritable = QFileInfo(VAbstractValApplication::VApp()->GetPatternPath()).isWritable();
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
     }
 
     if (not patternReadOnly && isFileWritable)
diff --git a/src/libs/ifc/ifcdef.h b/src/libs/ifc/ifcdef.h
index 4f3ffdbfa..c6a55808a 100644
--- a/src/libs/ifc/ifcdef.h
+++ b/src/libs/ifc/ifcdef.h
@@ -31,7 +31,7 @@
 
 #include <QtGlobal>
 #ifdef Q_OS_WIN
-   extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
+//   extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
 #  include <qt_windows.h>
 #endif /*Q_OS_WIN*/
 
diff --git a/src/libs/ifc/xml/vabstractconverter.cpp b/src/libs/ifc/xml/vabstractconverter.cpp
index b6cea05e4..6b4ca89cc 100644
--- a/src/libs/ifc/xml/vabstractconverter.cpp
+++ b/src/libs/ifc/xml/vabstractconverter.cpp
@@ -162,13 +162,13 @@ void VAbstractConverter::ReserveFile() const
             .arg(info.absoluteDir().absolutePath(), info.baseName(), GetFormatVersionStr(), info.completeSuffix());
     if (not SafeCopy(m_convertedFileName, reserveFileName, error))
     {
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
         const bool isFileWritable = info.isWritable();
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
         if (not IsReadOnly() && isFileWritable)
         {
             const QString errorMsg(tr("Error creating a reserv copy: %1.").arg(error));
diff --git a/src/libs/ifc/xml/vdomdocument.cpp b/src/libs/ifc/xml/vdomdocument.cpp
index 6beeadf86..0757bd4ff 100644
--- a/src/libs/ifc/xml/vdomdocument.cpp
+++ b/src/libs/ifc/xml/vdomdocument.cpp
@@ -986,9 +986,9 @@ bool VDomDocument::SafeCopy(const QString &source, const QString &destination, Q
 {
     bool result = false;
 
-#ifdef Q_OS_WIN32
-    qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//    qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
 
     QTemporaryFile destFile(destination + QLatin1String(".XXXXXX"));
     destFile.setAutoRemove(false);// Will be renamed to be destination file
@@ -1042,9 +1042,9 @@ bool VDomDocument::SafeCopy(const QString &source, const QString &destination, Q
         }
     }
 
-#ifdef Q_OS_WIN32
-    qt_ntfs_permission_lookup--; // turn off check permission again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//    qt_ntfs_permission_lookup--; // turn off check permission again
+//#endif /*Q_OS_WIN32*/
 
     return result;
 }
diff --git a/src/libs/vlayout/dialogs/watermarkwindow.cpp b/src/libs/vlayout/dialogs/watermarkwindow.cpp
index fcd1525ac..62814f05b 100644
--- a/src/libs/vlayout/dialogs/watermarkwindow.cpp
+++ b/src/libs/vlayout/dialogs/watermarkwindow.cpp
@@ -387,13 +387,13 @@ bool WatermarkWindow::on_actionSave_triggered()
             return false;
         }
 
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
         const bool isFileWritable = QFileInfo(m_curFile).isWritable();
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
         if (not isFileWritable)
         {
             QMessageBox messageBox(this);
@@ -405,14 +405,14 @@ bool WatermarkWindow::on_actionSave_triggered()
 
             if (messageBox.exec() == QMessageBox::Yes)
             {
-#ifdef Q_OS_WIN32
-                qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//                qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
                 bool changed = QFile::setPermissions(m_curFile,
                                                      QFileInfo(m_curFile).permissions() | QFileDevice::WriteUser);
-#ifdef Q_OS_WIN32
-                qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//                qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
 
                 if (not changed)
                 {
@@ -523,13 +523,13 @@ void WatermarkWindow::UpdateWindowTitle()
     bool isFileWritable = true;
     if (not m_curFile.isEmpty())
     {
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
         isFileWritable = QFileInfo(m_curFile).isWritable();
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
     }
 
     if (isFileWritable)
diff --git a/src/libs/vwidgets/vabstractmainwindow.cpp b/src/libs/vwidgets/vabstractmainwindow.cpp
index fc511c7f9..c4f9bfaf9 100644
--- a/src/libs/vwidgets/vabstractmainwindow.cpp
+++ b/src/libs/vwidgets/vabstractmainwindow.cpp
@@ -42,9 +42,9 @@
 #include <QLockFile>
 #include <QMessageBox>
 
-#ifdef Q_OS_WIN
-extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
-#endif /*Q_OS_WIN*/
+//#ifdef Q_OS_WIN
+//extern Q_CORE_EXPORT int qt_ntfs_permission_lookup;
+//#endif /*Q_OS_WIN*/
 
 #if defined(Q_OS_MAC)
 #include <QStyleFactory>
@@ -259,9 +259,9 @@ auto VAbstractMainWindow::CheckFilePermissions(const QString &path, QWidget *mes
 {
     QFileInfo info(path);
 
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
 
     if (not info.exists())
     {
@@ -271,9 +271,9 @@ auto VAbstractMainWindow::CheckFilePermissions(const QString &path, QWidget *mes
     // cppcheck-suppress unreadVariable
     const bool isFileWritable = info.isWritable();
 
-#ifdef Q_OS_WIN32
-        qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//        qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
 
     if (not isFileWritable)
     {
@@ -286,13 +286,13 @@ auto VAbstractMainWindow::CheckFilePermissions(const QString &path, QWidget *mes
 
         if (messageBox.exec() == QMessageBox::Yes)
         {
-#ifdef Q_OS_WIN32
-            qt_ntfs_permission_lookup++; // turn checking on
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//            qt_ntfs_permission_lookup++; // turn checking on
+//#endif /*Q_OS_WIN32*/
             bool changed = QFile::setPermissions(path, QFileInfo(path).permissions() | QFileDevice::WriteUser);
-#ifdef Q_OS_WIN32
-            qt_ntfs_permission_lookup--; // turn it off again
-#endif /*Q_OS_WIN32*/
+//#ifdef Q_OS_WIN32
+//            qt_ntfs_permission_lookup--; // turn it off again
+//#endif /*Q_OS_WIN32*/
 
             if (not changed)
             {