diff --git a/PowerEditor/src/MISC/Common/precompiledHeaders.h b/PowerEditor/src/MISC/Common/precompiledHeaders.h
index 3ad68618..73bff62f 100644
--- a/PowerEditor/src/MISC/Common/precompiledHeaders.h
+++ b/PowerEditor/src/MISC/Common/precompiledHeaders.h
@@ -32,7 +32,6 @@
 // w/o precompiled headers file : 1 minute 55 sec
 
 #define _WIN32_WINNT 0x0501
-#define _CRT_NON_CONFORMING_WCSTOK
 
 // C RunTime Header Files
 #include <stdio.h>
@@ -64,11 +63,7 @@
 #include <shlwapi.h>
 #include <uxtheme.h>
 #include <Oleacc.h>
-
-#pragma warning(push)
-#pragma warning(disable: 4091) // 'keyword' : ignored on left of 'type' when no variable is declared
 #include <dbghelp.h>
-#pragma warning(pop)
 #include <eh.h>
 #include <wchar.h>
 
diff --git a/PowerEditor/visual.net/notepadPlus.vs2015.vcxproj b/PowerEditor/visual.net/notepadPlus.vs2015.vcxproj
index 17c3bf72..bfcbc74e 100644
--- a/PowerEditor/visual.net/notepadPlus.vs2015.vcxproj
+++ b/PowerEditor/visual.net/notepadPlus.vs2015.vcxproj
@@ -58,7 +58,7 @@
       <Optimization>Disabled</Optimization>
       <FavorSizeOrSpeed>Neither</FavorSizeOrSpeed>
       <AdditionalIncludeDirectories>..\src\WinControls\AboutDlg;..\..\scintilla\include;..\include;..\src\WinControls;..\src\WinControls\ImageListSet;..\src\WinControls\OpenSaveFileDialog;..\src\WinControls\SplitterContainer;..\src\WinControls\StaticDialog;..\src\WinControls\TabBar;..\src\WinControls\ToolBar;..\src\MISC\Process;..\src\ScitillaComponent;..\src\MISC;..\src\MISC\SysMsg;..\src\WinControls\StatusBar;..\src;..\src\WinControls\StaticDialog\RunDlg;..\src\tinyxml;..\src\WinControls\ColourPicker;..\src\Win32Explr;..\src\MISC\RegExt;..\src\WinControls\TrayIcon;..\src\WinControls\shortcut;..\src\WinControls\Grid;..\src\WinControls\ContextMenu;..\src\MISC\PluginsManager;..\src\WinControls\Preference;..\src\WinControls\WindowsDlg;..\src\WinControls\TaskList;..\src\WinControls\DockingWnd;..\src\WinControls\ToolTip;..\src\MISC\Exception;..\src\MISC\Common;..\src\tinyxml\tinyXmlA;..\src\WinControls\AnsiCharPanel;..\src\WinControls\ClipboardHistory;..\src\WinControls\FindCharsInRange;..\src\WinControls\VerticalFileSwitcher;..\src\WinControls\ProjectPanel;..\src\WinControls\DocumentMap;..\src\WinControls\FunctionList;..\src\uchardet;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_WINDOWS;_USE_64BIT_TIME_T;TIXML_USE_STL;TIXMLA_USE_STL;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NON_CONFORMING_SWPRINTFS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_USE_64BIT_TIME_T;TIXML_USE_STL;TIXMLA_USE_STL;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NON_CONFORMING_SWPRINTFS=1;_CRT_NON_CONFORMING_WCSTOK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Async</ExceptionHandling>
       <BasicRuntimeChecks>Default</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
@@ -66,7 +66,7 @@
       <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <DisableSpecificWarnings>4456;4457;4459</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4091;4456;4457;4459</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <AdditionalOptions>/fixed:no %(AdditionalOptions)</AdditionalOptions>
@@ -96,7 +96,7 @@
       <OmitFramePointers>false</OmitFramePointers>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <AdditionalIncludeDirectories>..\src\WinControls\AboutDlg;..\..\scintilla\include;..\include;..\src\WinControls;..\src\WinControls\ImageListSet;..\src\WinControls\OpenSaveFileDialog;..\src\WinControls\SplitterContainer;..\src\WinControls\StaticDialog;..\src\WinControls\TabBar;..\src\WinControls\ToolBar;..\src\MISC\Process;..\src\ScitillaComponent;..\src\MISC;..\src\MISC\SysMsg;..\src\WinControls\StatusBar;..\src;..\src\WinControls\StaticDialog\RunDlg;..\src\tinyxml;..\src\WinControls\ColourPicker;..\src\Win32Explr;..\src\MISC\RegExt;..\src\WinControls\TrayIcon;..\src\WinControls\shortcut;..\src\WinControls\Grid;..\src\WinControls\ContextMenu;..\src\MISC\PluginsManager;..\src\WinControls\Preference;..\src\WinControls\WindowsDlg;..\src\WinControls\TaskList;..\src\WinControls\DockingWnd;..\src\WinControls\ToolTip;..\src\MISC\Exception;..\src\MISC\Common;..\src\tinyxml\tinyXmlA;..\src\WinControls\AnsiCharPanel;..\src\WinControls\ClipboardHistory;..\src\WinControls\FindCharsInRange;..\src\WinControls\VerticalFileSwitcher;..\src\WinControls\ProjectPanel;..\src\WinControls\DocumentMap;..\src\WinControls\FunctionList;..\src\uchardet;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USE_64BIT_TIME_T;TIXML_USE_STL;TIXMLA_USE_STL;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NON_CONFORMING_SWPRINTFS=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USE_64BIT_TIME_T;TIXML_USE_STL;TIXMLA_USE_STL;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_WARNINGS;_CRT_NON_CONFORMING_SWPRINTFS=1;_CRT_NON_CONFORMING_WCSTOK;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <PreprocessToFile>false</PreprocessToFile>
       <PreprocessSuppressLineNumbers>false</PreprocessSuppressLineNumbers>
       <StringPooling>true</StringPooling>
@@ -108,7 +108,7 @@
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <EnableEnhancedInstructionSet>NoExtensions</EnableEnhancedInstructionSet>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
-      <DisableSpecificWarnings>4456;4457;4459</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4091;4456;4457;4459</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <AdditionalDependencies>comctl32.lib;shlwapi.lib;shell32.lib;Oleacc.lib;%(AdditionalDependencies)</AdditionalDependencies>
@@ -140,6 +140,7 @@ copy ..\src\contextMenu.xml ..\bin\contextMenu.xml
     </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="..\src\MISC\Common\LongRunningOperation.cpp" />
     <ClCompile Include="..\src\WinControls\AboutDlg\AboutDlg.cpp" />
     <ClCompile Include="..\src\WinControls\AnsiCharPanel\ansiCharPanel.cpp" />
     <ClCompile Include="..\src\ScitillaComponent\AutoCompletion.cpp" />
@@ -409,6 +410,7 @@ copy ..\src\contextMenu.xml ..\bin\contextMenu.xml
     <None Include="..\src\cursors\up.cur" />
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="..\src\MISC\Common\LongRunningOperation.h" />
     <ClInclude Include="..\src\ScitillaComponent\resource.h" />
     <ClInclude Include="..\src\WinControls\AboutDlg\AboutDlg.h" />
     <ClInclude Include="..\src\WinControls\AnsiCharPanel\ansiCharPanel.h" />