diff --git a/PowerEditor/src/MISC/Common/verifySignedfile.cpp b/PowerEditor/src/MISC/Common/verifySignedfile.cpp
index 7ff380887..258ebc9d1 100644
--- a/PowerEditor/src/MISC/Common/verifySignedfile.cpp
+++ b/PowerEditor/src/MISC/Common/verifySignedfile.cpp
@@ -36,7 +36,7 @@
 #include <wincrypt.h>
 #include <sensapi.h>
 #include <iomanip>
-#include "VerifySignedFile.h"
+#include "verifySignedfile.h"
 #include "Common.h"
 #include "sha-256.h"
 
diff --git a/PowerEditor/src/MISC/PluginsManager/PluginsManager.cpp b/PowerEditor/src/MISC/PluginsManager/PluginsManager.cpp
index 9be1b9776..2d8c0283c 100644
--- a/PowerEditor/src/MISC/PluginsManager/PluginsManager.cpp
+++ b/PowerEditor/src/MISC/PluginsManager/PluginsManager.cpp
@@ -27,7 +27,7 @@
 
 
 #include <shlwapi.h>
-#include <DbgHelp.h>
+#include <dbghelp.h>
 #include <algorithm>
 #include <cinttypes>
 #include "PluginsManager.h"
diff --git a/PowerEditor/src/MISC/Process/Processus.h b/PowerEditor/src/MISC/Process/Processus.h
index 025c3afd1..4a4911709 100644
--- a/PowerEditor/src/MISC/Process/Processus.h
+++ b/PowerEditor/src/MISC/Process/Processus.h
@@ -29,7 +29,7 @@
 #ifndef PROCESSUS_H
 #define PROCESSUS_H
 
-#include "common.h"
+#include "Common.h"
 
 enum progType {WIN32_PROG, CONSOLE_PROG};
 
diff --git a/PowerEditor/src/NppCommands.cpp b/PowerEditor/src/NppCommands.cpp
index 457bafc6d..252eaf39c 100644
--- a/PowerEditor/src/NppCommands.cpp
+++ b/PowerEditor/src/NppCommands.cpp
@@ -37,7 +37,7 @@
 #include "functionListPanel.h"
 #include "fileBrowser.h"
 #include "Sorters.h"
-#include "verifySignedFile.h"
+#include "verifySignedfile.h"
 #include "md5.h"
 #include "sha-256.h"
 
diff --git a/PowerEditor/src/NppIO.cpp b/PowerEditor/src/NppIO.cpp
index 15abd0b00..a37610a4e 100644
--- a/PowerEditor/src/NppIO.cpp
+++ b/PowerEditor/src/NppIO.cpp
@@ -28,7 +28,7 @@
 
 #include <time.h>
 #include <shlwapi.h>
-#include <ShlObj.h>
+#include <shlobj.h>
 #include "Notepad_plus_Window.h"
 #include "FileDialog.h"
 #include "EncodingMapper.h"
diff --git a/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp b/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp
index 8ae926954..f447cb851 100644
--- a/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp
+++ b/PowerEditor/src/ScitillaComponent/ScintillaEditView.cpp
@@ -32,7 +32,7 @@
 #include "Parameters.h"
 #include "Sorters.h"
 #include "tchar.h"
-#include "verifySignedFile.h"
+#include "verifySignedfile.h"
 
 using namespace std;
 
diff --git a/PowerEditor/src/WinControls/AnsiCharPanel/ListView.h b/PowerEditor/src/WinControls/AnsiCharPanel/ListView.h
index 6f05d7853..32bc464a8 100644
--- a/PowerEditor/src/WinControls/AnsiCharPanel/ListView.h
+++ b/PowerEditor/src/WinControls/AnsiCharPanel/ListView.h
@@ -31,7 +31,7 @@
 #include "Window.h"
 #include "Common.h"
 
-#include <Commctrl.h>
+#include <commctrl.h>
 
 struct columnInfo {
 	size_t _width;
diff --git a/PowerEditor/src/WinControls/FileBrowser/fileBrowser.rc b/PowerEditor/src/WinControls/FileBrowser/fileBrowser.rc
index 619c06eec..996421102 100644
--- a/PowerEditor/src/WinControls/FileBrowser/fileBrowser.rc
+++ b/PowerEditor/src/WinControls/FileBrowser/fileBrowser.rc
@@ -27,7 +27,7 @@
 
 
 #include <windows.h>
-#include "FileBrowser_rc.h"
+#include "fileBrowser_rc.h"
 
 IDD_FILEBROWSER DIALOGEX 26, 41, 142, 324
 STYLE DS_SETFONT | WS_POPUP | WS_CAPTION | WS_SYSMENU
diff --git a/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp b/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp
index dc967b96b..cb52f577b 100644
--- a/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp
+++ b/PowerEditor/src/WinControls/PluginsAdmin/pluginsAdmin.cpp
@@ -39,7 +39,7 @@
 #include "localization.h"
 #include "Processus.h"
 #include "PluginsManager.h"
-#include "verifySignedFile.h"
+#include "verifySignedfile.h"
 
 #define TEXTFILE        256
 #define IDR_PLUGINLISTJSONFILE  101
diff --git a/PowerEditor/src/WinControls/ProjectPanel/ProjectPanel.cpp b/PowerEditor/src/WinControls/ProjectPanel/ProjectPanel.cpp
index 47ac9b261..edce6eb26 100644
--- a/PowerEditor/src/WinControls/ProjectPanel/ProjectPanel.cpp
+++ b/PowerEditor/src/WinControls/ProjectPanel/ProjectPanel.cpp
@@ -25,7 +25,7 @@
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-#include <WindowsX.h>
+#include <windowsx.h>
 
 #include "ProjectPanel.h"
 #include "resource.h"
diff --git a/PowerEditor/src/WinControls/ReadDirectoryChanges/targetver.h b/PowerEditor/src/WinControls/ReadDirectoryChanges/targetver.h
index 90e767bfc..7a6df9ab9 100644
--- a/PowerEditor/src/WinControls/ReadDirectoryChanges/targetver.h
+++ b/PowerEditor/src/WinControls/ReadDirectoryChanges/targetver.h
@@ -5,4 +5,4 @@
 // If you wish to build your application for a previous Windows platform, include WinSDKVer.h and
 // set the _WIN32_WINNT macro to the platform you wish to support before including SDKDDKVer.h.
 
-#include <SDKDDKVer.h>
+#include <sdkddkver.h>
diff --git a/PowerEditor/src/winmain.cpp b/PowerEditor/src/winmain.cpp
index d7fcefcda..d9bdc7383 100644
--- a/PowerEditor/src/winmain.cpp
+++ b/PowerEditor/src/winmain.cpp
@@ -29,7 +29,7 @@
 #include "Processus.h"
 #include "Win32Exception.h"	//Win32 exception
 #include "MiniDumper.h"			//Write dump files
-#include "verifySignedFile.h"
+#include "verifySignedfile.h"
 
 typedef std::vector<generic_string> ParamVector;