diff --git a/Solutions/build.MIP.props b/Solutions/build.MIP.props
index 4010ccf5..76b147b3 100644
--- a/Solutions/build.MIP.props
+++ b/Solutions/build.MIP.props
@@ -8,4 +8,5 @@
   <PropertyGroup Condition="'$(RootNamespace)'=='ClientTelemetry'">
     <TargetName>mip_ClientTelemetry</TargetName>
   </PropertyGroup>
+  <Import Project="$(MSBuildThisFileDirectory)build.spectr.props" />
 </Project>
diff --git a/Solutions/build.spectr.props b/Solutions/build.spectr.props
new file mode 100644
index 00000000..12180b68
--- /dev/null
+++ b/Solutions/build.spectr.props
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <SpectreMitigation>Spectre</SpectreMitigation>
+  </PropertyGroup>
+</Project>
diff --git a/Solutions/win32-dll/win32-dll.vcxproj b/Solutions/win32-dll/win32-dll.vcxproj
index fafad886..f18fff96 100644
--- a/Solutions/win32-dll/win32-dll.vcxproj
+++ b/Solutions/win32-dll/win32-dll.vcxproj
@@ -56,7 +56,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -64,7 +63,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -72,7 +70,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -80,7 +77,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>false</WholeProgramOptimization>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -89,7 +85,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <QBConfigId>win-x64_vs2015-crtdynamic-release</QBConfigId>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -98,7 +93,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <QBConfigId>win-x64_vs2015-crtdynamic-release</QBConfigId>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/lib/include/public/LogManagerBase.hpp b/lib/include/public/LogManagerBase.hpp
index 48362cbc..710d8cd2 100644
--- a/lib/include/public/LogManagerBase.hpp
+++ b/lib/include/public/LogManagerBase.hpp
@@ -6,7 +6,7 @@
 
 #ifdef _MSC_VER
 #pragma warning(push)
-#pragma warning(disable:4459 4100 4121 4244 4068)
+#pragma warning(disable:4459 4100 4121 4068)
 #endif
 
 #pragma clang diagnostic push
diff --git a/lib/utils/Utils.hpp b/lib/utils/Utils.hpp
index 745f6053..24db810d 100644
--- a/lib/utils/Utils.hpp
+++ b/lib/utils/Utils.hpp
@@ -79,26 +79,23 @@ namespace ARIASDK_NS_BEGIN {
 
     std::string to_string(const GUID_t& uuid);
 
-#ifdef _MSC_VER
-#pragma warning (push)
-#pragma warning (disable:4244)
-#endif //_MSC_VER
     inline std::string toLower(const std::string& str)
     {
         std::string result = str;
-        std::transform(str.begin(), str.end(), result.begin(), ::tolower);
+        std::transform(str.begin(), str.end(), result.begin(), 
+                   [](unsigned char c){ return (char)::tolower(c); }
+                );
         return result;
     }
 
     inline std::string toUpper(const std::string& str)
     {
         std::string result = str;
-        std::transform(str.begin(), str.end(), result.begin(), ::toupper);
+        std::transform(str.begin(), str.end(), result.begin(), 
+                   [](unsigned char c){ return (char)::toupper(c); }
+                );
         return result;
     }
-#ifdef _MSC_VER
-#pragma warning (pop)
-#endif //_MSC_VER
 
     inline bool equalsIgnoreCase(const std::string& str1, const std::string& str2)
     {
diff --git a/sqlite/sqlite.vcxproj b/sqlite/sqlite.vcxproj
index 8128f88c..775e71c7 100644
--- a/sqlite/sqlite.vcxproj
+++ b/sqlite/sqlite.vcxproj
@@ -74,14 +74,12 @@
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -89,7 +87,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -97,35 +94,30 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|ARM64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -133,7 +125,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -141,7 +132,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -149,7 +139,6 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|ARM64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -157,21 +146,18 @@
     <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v140</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|ARM'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
     <PlatformToolset>v140</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -179,7 +165,6 @@
     <PlatformToolset>v140</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|ARM'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -187,7 +172,6 @@
     <PlatformToolset>v140</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/zlib/contrib/vstudio/vc14/zlibvc.vcxproj b/zlib/contrib/vstudio/vc14/zlibvc.vcxproj
index 3b859450..5ff55579 100644
--- a/zlib/contrib/vstudio/vc14/zlibvc.vcxproj
+++ b/zlib/contrib/vstudio/vc14/zlibvc.vcxproj
@@ -79,7 +79,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -87,7 +86,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -96,7 +94,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -105,7 +102,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|ARM'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -114,7 +110,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|ARM64'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -123,21 +118,18 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -145,7 +137,6 @@
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -153,7 +144,6 @@
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|ARM'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -161,7 +151,6 @@
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|ARM64'" Label="Configuration">
     <WindowsSDKDesktopARMSupport>true</WindowsSDKDesktopARMSupport>
@@ -169,7 +158,6 @@
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -177,7 +165,6 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release.vs2015.MT-sqlite|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
@@ -185,21 +172,18 @@
     <WholeProgramOptimization>false</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug.vs2015.MT-sqlite|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseOfMfc>false</UseOfMfc>
     <CharacterSet>Unicode</CharacterSet>
     <PlatformToolset>v141</PlatformToolset>
-    <SpectreMitigation>Spectre</SpectreMitigation>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">