diff --git a/Common/PathUtil.cpp b/Common/PathUtil.cpp
new file mode 100644
index 00000000..139b0da1
--- /dev/null
+++ b/Common/PathUtil.cpp
@@ -0,0 +1,150 @@
+/*
+  Copyright (C) 2013 Rainmeter Team
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  as published by the Free Software Foundation; either version 2
+  of the License, or (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include "PathUtil.h"
+#include <Shlobj.h>
+
+namespace PathUtil {
+
+bool IsSeparator(WCHAR ch)
+{
+	return ch == L'\\' || ch == L'/';
+}
+
+bool IsDotOrDotDot(const WCHAR* path)
+{
+	return path[0] == L'.' && (path[1] == L'\0' || (path[1] == L'.' && path[2] == L'\0'));
+}
+
+bool IsUNC(const std::wstring& path)
+{
+	return path.length() >= 2 && IsSeparator(path[0]) && IsSeparator(path[1]);
+}
+
+bool IsAbsolute(const std::wstring& path)
+{
+	return (path.find(L":\\") != std::wstring::npos ||
+		path.find(L":/") != std::wstring::npos ||
+		IsUNC(path));
+}
+
+void AppendBacklashIfMissing(std::wstring& path)
+{
+	if (!path.empty() && !IsSeparator(path[path.length() - 1]))
+	{
+		path += L'\\';
+	}
+}
+
+std::wstring GetFolderFromFilePath(const std::wstring& filePath)
+{
+	std::wstring::size_type pos = filePath.find_last_of(L"\\/");
+	if (pos != std::wstring::npos)
+	{
+		return filePath.substr(0, pos + 1);
+	}
+	return L".\\";
+}
+
+/*
+** Extracts volume path from program path.
+** E.g.:
+**   "C:\path\" to "C:"
+**   "\\server\share\" to "\\server\share"
+**   "\\server\C:\path\" to "\\server\C:"
+*/
+std::wstring GetVolume(const std::wstring& path)
+{
+	std::wstring::size_type pos;
+	if ((pos = path.find_first_of(L':')) != std::wstring::npos)
+	{
+		return path.substr(0, pos + 1);
+	}
+	else if (IsUNC(path))
+	{
+		if ((pos = path.find_first_of(L"\\/", 2)) != std::wstring::npos)
+		{
+			std::wstring::size_type pos2;
+			if ((pos2 = path.find_first_of(L"\\/", pos + 1)) != std::wstring::npos ||
+				pos != (path.length() - 1))
+			{
+				pos = pos2;
+			}
+		}
+
+		return path.substr(0, pos);
+	}
+
+	return std::wstring();
+}
+
+void ExpandEnvironmentVariables(std::wstring& path)
+{
+	std::wstring::size_type pos;
+	if ((pos = path.find(L'%')) != std::wstring::npos &&
+		path.find(L'%', pos + 2) != std::wstring::npos)
+	{
+		DWORD bufSize = 4096;
+		WCHAR* buffer = new WCHAR[bufSize];
+
+		// %APPDATA% is a special casem
+		pos = path.find(L"%APPDATA%", pos);
+		if (pos != std::wstring::npos)
+		{
+			HRESULT hr = SHGetFolderPath(nullptr, CSIDL_APPDATA, nullptr, SHGFP_TYPE_CURRENT, buffer);
+			if (SUCCEEDED(hr))
+			{
+				size_t len = wcslen(buffer);
+				do
+				{
+					path.replace(pos, 9, buffer, len);
+				}
+				while ((pos = path.find(L"%APPDATA%", pos + len)) != std::wstring::npos);
+			}
+		}
+
+		if ((pos = path.find(L'%')) != std::wstring::npos &&
+			path.find(L'%', pos + 2) != std::wstring::npos)
+		{
+			// Expand the environment variables.
+			do
+			{
+				DWORD ret = ExpandEnvironmentStrings(path.c_str(), buffer, bufSize);
+				if (ret == 0)  // Error
+				{
+					break;
+				}
+				if (ret <= bufSize)  // Fits in the buffer
+				{
+					path.assign(buffer, ret - 1);
+					break;
+				}
+
+				delete [] buffer;
+				bufSize = ret;
+				buffer = new WCHAR[bufSize];
+			}
+			while (true);
+		}
+
+		delete [] buffer;
+	}
+}
+
+
+}  // namespace PathUtil
diff --git a/Common/PathUtil.h b/Common/PathUtil.h
new file mode 100644
index 00000000..77166889
--- /dev/null
+++ b/Common/PathUtil.h
@@ -0,0 +1,45 @@
+/*
+  Copyright (C) 2013 Rainmeter Team
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU General Public License
+  as published by the Free Software Foundation; either version 2
+  of the License, or (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#ifndef RM_COMMON_PATHUTIL_H_
+#define RM_COMMON_PATHUTIL_H_
+
+#include <Windows.h>
+#include <string>
+
+namespace PathUtil {
+
+bool IsSeparator(WCHAR ch);
+
+bool IsDotOrDotDot(const WCHAR* path);
+
+bool IsUNC(const std::wstring& path);
+
+bool IsAbsolute(const std::wstring& path);
+
+void AppendBacklashIfMissing(std::wstring& path);
+
+std::wstring GetFolderFromFilePath(const std::wstring& filePath);
+
+std::wstring GetVolume(const std::wstring& path);
+
+void ExpandEnvironmentVariables(std::wstring& strPath);
+
+}  // namespace PathUtil
+
+#endif
diff --git a/Library/CommandHandler.cpp b/Library/CommandHandler.cpp
index fd4e058f..26119f11 100644
--- a/Library/CommandHandler.cpp
+++ b/Library/CommandHandler.cpp
@@ -17,6 +17,7 @@
 */
 
 #include "StdAfx.h"
+#include "../Common/PathUtil.h"
 #include "CommandHandler.h"
 #include "ConfigParser.h"
 #include "DialogAbout.h"
@@ -464,7 +465,7 @@ void CommandHandler::RunFile(const WCHAR* file, const WCHAR* args)
 	}
 	else
 	{
-		std::wstring dir = Rainmeter::ExtractPath(file);
+		std::wstring dir = PathUtil::GetFolderFromFilePath(file);
 		si.lpDirectory = dir.c_str();
 		si.lpParameters = args;
 		si.fMask = SEE_MASK_DOENVSUBST | SEE_MASK_FLAG_NO_UI;
diff --git a/Library/ConfigParser.cpp b/Library/ConfigParser.cpp
index 40c26b88..c7cfb3a4 100644
--- a/Library/ConfigParser.cpp
+++ b/Library/ConfigParser.cpp
@@ -17,6 +17,7 @@
 */
 
 #include "StdAfx.h"
+#include "../Common/PathUtil.h"
 #include "ConfigParser.h"
 #include "MathParser.h"
 #include "Litestep.h"
@@ -98,7 +99,7 @@ void ConfigParser::SetBuiltInVariables(const std::wstring& filename, const std::
 	insertVariable(L"SETTINGSPATH", g_Rainmeter->GetSettingsPath());
 	insertVariable(L"SKINSPATH", g_Rainmeter->GetSkinPath());
 	insertVariable(L"PLUGINSPATH", g_Rainmeter->GetPluginPath());
-	insertVariable(L"CURRENTPATH", Rainmeter::ExtractPath(filename));
+	insertVariable(L"CURRENTPATH", PathUtil::GetFolderFromFilePath(filename));
 	insertVariable(L"ADDONSPATH", g_Rainmeter->GetAddonPath());
 
 	if (meterWindow)
@@ -570,7 +571,7 @@ bool ConfigParser::ReplaceVariables(std::wstring& result)
 {
 	bool replaced = false;
 
-	Rainmeter::ExpandEnvironmentVariables(result);
+	PathUtil::ExpandEnvironmentVariables(result);
 
 	if (c_MonitorVariables.empty())
 	{
@@ -764,7 +765,7 @@ const std::wstring& ConfigParser::ReadString(LPCTSTR section, LPCTSTR key, LPCTS
 			}
 			else
 			{
-				Rainmeter::ExpandEnvironmentVariables(result);
+				PathUtil::ExpandEnvironmentVariables(result);
 			}
 
 			if (bReplaceMeasures && ReplaceMeasures(result))
@@ -1446,10 +1447,10 @@ void ConfigParser::ReadIniFile(const std::wstring& iniFile, LPCTSTR skinSection,
 								value.assign(sep, clen);
 								ReadVariables();
 								ReplaceVariables(value);
-								if (!System::IsAbsolutePath(value))
+								if (!PathUtil::IsAbsolute(value))
 								{
 									// Relative to the ini folder
-									value.insert(0, Rainmeter::ExtractPath(iniFile));
+									value.insert(0, PathUtil::GetFolderFromFilePath(iniFile));
 								}
 
 								if (resetInsertPos)
diff --git a/Library/Library.vcxproj b/Library/Library.vcxproj
index b3f0d74a..49731687 100644
--- a/Library/Library.vcxproj
+++ b/Library/Library.vcxproj
@@ -84,6 +84,7 @@
     <ClCompile Include="..\Common\Gfx\Util\WICBitmapLockDIB.cpp" />
     <ClCompile Include="..\Common\Gfx\Util\WICBitmapLockGDIP.cpp" />
     <ClCompile Include="..\Common\MenuTemplate.cpp" />
+    <ClCompile Include="..\Common\PathUtil.cpp" />
     <ClCompile Include="..\Common\Platform.cpp" />
     <ClCompile Include="..\Common\StringUtil.cpp" />
     <ClCompile Include="CommandHandler.cpp">
@@ -315,6 +316,7 @@
     <ClInclude Include="..\Common\Gfx\Util\WICBitmapLockDIB.h" />
     <ClInclude Include="..\Common\Gfx\Util\WICBitmapLockGDIP.h" />
     <ClInclude Include="..\Common\MenuTemplate.h" />
+    <ClInclude Include="..\Common\PathUtil.h" />
     <ClInclude Include="..\Common\Platform.h" />
     <ClInclude Include="..\Common\RawString.h" />
     <ClInclude Include="..\Common\StringUtil.h" />
diff --git a/Library/Library.vcxproj.filters b/Library/Library.vcxproj.filters
index ecf885c9..13bfbf56 100644
--- a/Library/Library.vcxproj.filters
+++ b/Library/Library.vcxproj.filters
@@ -396,6 +396,9 @@
     <ClCompile Include="CommandHandler.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\Common\PathUtil.cpp">
+      <Filter>Common</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="ConfigParser.h">
@@ -692,6 +695,9 @@
     <ClInclude Include="..\Common\RawString.h">
       <Filter>Common</Filter>
     </ClInclude>
+    <ClInclude Include="..\Common\PathUtil.h">
+      <Filter>Common</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="Library.rc">
diff --git a/Library/MeasureDiskSpace.cpp b/Library/MeasureDiskSpace.cpp
index f6c48c12..f0fa00b9 100644
--- a/Library/MeasureDiskSpace.cpp
+++ b/Library/MeasureDiskSpace.cpp
@@ -20,6 +20,7 @@
 #include "MeasureDiskSpace.h"
 #include "Rainmeter.h"
 #include "System.h"
+#include "../Common/PathUtil.h"
 
 enum DRIVETYPE
 {
@@ -188,9 +189,10 @@ void MeasureDiskSpace::ReadOptions(ConfigParser& parser, const WCHAR* section)
 		m_OldTotalBytes = 0;
 		m_StringValue.clear();
 	}
-	else if (!System::IsPathSeparator(m_Drive[m_Drive.length() - 1]))  // E.g. "C:"
+	else
 	{
-		m_Drive += L'\\';  // A trailing backslash is required.
+		// A trailing backslash is required for GetDiskFreeSpaceEx().
+		PathUtil::AppendBacklashIfMissing(m_Drive);
 	}
 
 	m_Type = (1 == parser.ReadInt(section, L"Type", 0));
diff --git a/Library/MeterImage.cpp b/Library/MeterImage.cpp
index 90846326..bad455f8 100644
--- a/Library/MeterImage.cpp
+++ b/Library/MeterImage.cpp
@@ -22,6 +22,7 @@
 #include "Error.h"
 #include "Rainmeter.h"
 #include "System.h"
+#include "../Common/PathUtil.h"
 #include "../Common/Gfx/Canvas.h"
 
 extern Rainmeter* g_Rainmeter;
@@ -138,13 +139,7 @@ void MeterImage::ReadOptions(ConfigParser& parser, const WCHAR* section)
 
 	// Deprecated!
 	std::wstring path = parser.ReadString(section, L"Path", L"");
-	if (!path.empty())
-	{
-		if (!System::IsPathSeparator(path[path.length() - 1]))
-		{
-			path += L'\\';
-		}
-	}
+	PathUtil::AppendBacklashIfMissing(path);
 
 	// Read tinting options
 	m_Image.ReadOptions(parser, section, path.c_str());
diff --git a/Library/MeterWindow.cpp b/Library/MeterWindow.cpp
index b841ac42..7286cd88 100644
--- a/Library/MeterWindow.cpp
+++ b/Library/MeterWindow.cpp
@@ -36,6 +36,7 @@
 #include "TintedImage.h"
 #include "MeasureScript.h"
 #include "../Version.h"
+#include "../Common/PathUtil.h"
 #include "../Common/Gfx/CanvasD2D.h"
 #include "../Common/Gfx/CanvasGDIP.h"
 
@@ -4711,7 +4712,7 @@ void MeterWindow::SetWindowSizeVariables(int w, int h)
 */
 void MeterWindow::MakePathAbsolute(std::wstring& path)
 {
-	if (path.empty() || System::IsAbsolutePath(path))
+	if (path.empty() || PathUtil::IsAbsolute(path))
 	{
 		return;  // It's already absolute path (or it's empty)
 	}
diff --git a/Library/Rainmeter.cpp b/Library/Rainmeter.cpp
index a332db09..4b438702 100644
--- a/Library/Rainmeter.cpp
+++ b/Library/Rainmeter.cpp
@@ -18,6 +18,7 @@
 
 #include "StdAfx.h"
 #include "../Common/MenuTemplate.h"
+#include "../Common/PathUtil.h"
 #include "Rainmeter.h"
 #include "TrayWindow.h"
 #include "System.h"
@@ -192,15 +193,16 @@ int Rainmeter::Initialize(LPCWSTR iniPath, LPCWSTR layout)
 	// Remove the module's name from the path
 	WCHAR* pos = wcsrchr(buffer, L'\\');
 	m_Path.assign(buffer, pos ? pos - buffer + 1 : 0);
+	m_Drive = PathUtil::GetVolume(m_Path);
 
 	bool bDefaultIniLocation = false;
 	if (iniPath)
 	{
 		// The command line defines the location of Rainmeter.ini (or whatever it calls it).
 		std::wstring iniFile = iniPath;
-		ExpandEnvironmentVariables(iniFile);
+		PathUtil::ExpandEnvironmentVariables(iniFile);
 
-		if (iniFile.empty() || System::IsPathSeparator(iniFile[iniFile.length() - 1]))
+		if (iniFile.empty() || PathUtil::IsSeparator(iniFile[iniFile.length() - 1]))
 		{
 			iniFile += L"Rainmeter.ini";
 		}
@@ -209,7 +211,7 @@ int Rainmeter::Initialize(LPCWSTR iniPath, LPCWSTR layout)
 			iniFile += L"\\Rainmeter.ini";
 		}
 
-		if (!System::IsPathSeparator(iniFile[0]) && iniFile.find_first_of(L':') == std::wstring::npos)
+		if (!PathUtil::IsSeparator(iniFile[0]) && iniFile.find_first_of(L':') == std::wstring::npos)
 		{
 			// Make absolute path
 			iniFile.insert(0, m_Path);
@@ -227,7 +229,7 @@ int Rainmeter::Initialize(LPCWSTR iniPath, LPCWSTR layout)
 		if (_waccess(m_IniFile.c_str(), 0) == -1)
 		{
 			m_IniFile = L"%APPDATA%\\Rainmeter\\Rainmeter.ini";
-			ExpandEnvironmentVariables(m_IniFile);
+			PathUtil::ExpandEnvironmentVariables(m_IniFile);
 			bDefaultIniLocation = true;
 		}
 	}
@@ -265,7 +267,7 @@ int Rainmeter::Initialize(LPCWSTR iniPath, LPCWSTR layout)
 
 	// Set file locations
 	{
-		m_SettingsPath = ExtractPath(m_IniFile);
+		m_SettingsPath = PathUtil::GetFolderFromFilePath(m_IniFile);
 
 		size_t len = m_IniFile.length();
 		if (len > 4 && _wcsicmp(iniFile + (len - 4), L".ini") == 0)
@@ -355,12 +357,8 @@ int Rainmeter::Initialize(LPCWSTR iniPath, LPCWSTR layout)
 	{
 		// Try Rainmeter.ini first
 		m_SkinPath.assign(buffer, len);
-		ExpandEnvironmentVariables(m_SkinPath);
-
-		if (!m_SkinPath.empty() && !System::IsPathSeparator(m_SkinPath[m_SkinPath.length() - 1]))
-		{
-			m_SkinPath += L'\\';
-		}
+		PathUtil::ExpandEnvironmentVariables(m_SkinPath);
+		PathUtil::AppendBacklashIfMissing(m_SkinPath);
 	}
 	else if (bDefaultIniLocation &&
 		SUCCEEDED(SHGetFolderPath(nullptr, CSIDL_MYDOCUMENTS, nullptr, SHGFP_TYPE_CURRENT, buffer)))
@@ -388,29 +386,6 @@ int Rainmeter::Initialize(LPCWSTR iniPath, LPCWSTR layout)
 	LogNoticeF(L"IniFile: %s", iniFile);
 	LogNoticeF(L"SkinPath: %s", m_SkinPath.c_str());
 
-	// Extract volume path from program path
-	// E.g.:
-	//  "C:\path\" to "C:"
-	//  "\\server\share\" to "\\server\share"
-	//  "\\server\C:\path\" to "\\server\C:"
-	std::wstring::size_type loc;
-	if ((loc = m_Path.find_first_of(L':')) != std::wstring::npos)
-	{
-		m_Drive.assign(m_Path, 0, loc + 1);
-	}
-	else if (System::IsUNCPath(m_Path))
-	{
-		if ((loc = m_Path.find_first_of(L"\\/", 2)) != std::wstring::npos)
-		{
-			std::wstring::size_type loc2;
-			if ((loc2 = m_Path.find_first_of(L"\\/", loc + 1)) != std::wstring::npos || loc != (m_Path.length() - 1))
-			{
-				loc = loc2;
-			}
-		}
-		m_Drive.assign(m_Path, 0, loc);
-	}
-
 	// Test that the Rainmeter.ini file is writable
 	TestSettingsFile(bDefaultIniLocation);
 
@@ -684,8 +659,7 @@ void Rainmeter::CreateComponentFolders(bool defaultIniLocation)
 				do
 				{
 					if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
-						wcscmp(L".", fd.cFileName) != 0 &&
-						wcscmp(L"..", fd.cFileName) != 0)
+						PathUtil::IsDotOrDotDot(fd.cFileName))
 					{
 						std::wstring layoutFolder = path + fd.cFileName;
 						layoutFolder += L'\\';
@@ -1289,8 +1263,7 @@ int Rainmeter::ScanForSkinsRecursive(const std::wstring& path, std::wstring base
 
 			if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 			{
-				if (wcscmp(L".", fileData.cFileName) != 0 &&
-					wcscmp(L"..", fileData.cFileName) != 0 &&
+				if (!PathUtil::IsDotOrDotDot(fileData.cFileName) &&
 					!(level == 0 && wcscmp(L"@Backup", fileData.cFileName) == 0) &&
 					!(level == 0 && wcscmp(L"Backup", fileData.cFileName) == 0) &&
 					!(level == 1 && wcscmp(L"@Resources", fileData.cFileName) == 0))
@@ -1387,8 +1360,7 @@ void Rainmeter::ScanForLayouts()
 		do
 		{
 			if (fileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
-				wcscmp(L".", fileData.cFileName) != 0 &&
-				wcscmp(L"..", fileData.cFileName) != 0)
+				!PathUtil::IsDotOrDotDot(fileData.cFileName))
 			{
 				m_Layouts.push_back(fileData.cFileName);
 			}
@@ -2537,7 +2509,7 @@ void Rainmeter::TestSettingsFile(bool bDefaultIniLocation)
 		if (!bDefaultIniLocation)
 		{
 			std::wstring strTarget = L"%APPDATA%\\Rainmeter\\";
-			ExpandEnvironmentVariables(strTarget);
+			PathUtil::ExpandEnvironmentVariables(strTarget);
 
 			error += GetFormattedString(ID_STR_SETTINGSMOVEFILE, iniFile, strTarget.c_str());
 		}
@@ -2549,68 +2521,3 @@ void Rainmeter::TestSettingsFile(bool bDefaultIniLocation)
 		ShowMessage(nullptr, error.c_str(), MB_OK | MB_ICONERROR);
 	}
 }
-
-std::wstring Rainmeter::ExtractPath(const std::wstring& strFilePath)
-{
-	std::wstring::size_type pos = strFilePath.find_last_of(L"\\/");
-	if (pos != std::wstring::npos)
-	{
-		return strFilePath.substr(0, pos + 1);
-	}
-	return L".\\";
-}
-
-void Rainmeter::ExpandEnvironmentVariables(std::wstring& strPath)
-{
-	std::wstring::size_type pos;
-
-	if ((pos = strPath.find(L'%')) != std::wstring::npos &&
-		strPath.find(L'%', pos + 2) != std::wstring::npos)
-	{
-		DWORD bufSize = 4096;
-		WCHAR* buffer = new WCHAR[bufSize];	// lets hope the buffer is large enough...
-
-		// %APPDATA% is a special case
-		pos = strPath.find(L"%APPDATA%", pos);
-		if (pos != std::wstring::npos)
-		{
-			HRESULT hr = SHGetFolderPath(nullptr, CSIDL_APPDATA, nullptr, SHGFP_TYPE_CURRENT, buffer);
-			if (SUCCEEDED(hr))
-			{
-				size_t len = wcslen(buffer);
-				do
-				{
-					strPath.replace(pos, 9, buffer, len);
-				}
-				while ((pos = strPath.find(L"%APPDATA%", pos + len)) != std::wstring::npos);
-			}
-		}
-
-		if ((pos = strPath.find(L'%')) != std::wstring::npos &&
-			strPath.find(L'%', pos + 2) != std::wstring::npos)
-		{
-			// Expand the environment variables
-			do
-			{
-				DWORD ret = ExpandEnvironmentStrings(strPath.c_str(), buffer, bufSize);
-				if (ret == 0)  // Error
-				{
-					LogWarningF(L"Unable to expand environment strings in: %s", strPath.c_str());
-					break;
-				}
-				if (ret <= bufSize)  // Fits in the buffer
-				{
-					strPath.assign(buffer, ret - 1);
-					break;
-				}
-
-				delete [] buffer;
-				bufSize = ret;
-				buffer = new WCHAR[bufSize];
-			}
-			while (true);
-		}
-
-		delete [] buffer;
-	}
-}
diff --git a/Library/Rainmeter.h b/Library/Rainmeter.h
index 43e5e869..a0cf45d3 100644
--- a/Library/Rainmeter.h
+++ b/Library/Rainmeter.h
@@ -212,9 +212,6 @@ public:
 	bool LoadLayout(const std::wstring& name);
 	void PreserveSetting(const std::wstring& from, LPCTSTR key, bool replace = true);
 
-	static std::wstring ExtractPath(const std::wstring& strFilePath);
-	static void ExpandEnvironmentVariables(std::wstring& strPath);
-
 	friend class CommandHandler;
 	friend class DialogManage;
 
diff --git a/Library/System.cpp b/Library/System.cpp
index 837cc1c6..9b56cbcf 100644
--- a/Library/System.cpp
+++ b/Library/System.cpp
@@ -23,6 +23,7 @@
 #include "MeterWindow.h"
 #include "MeasureNet.h"
 #include "Error.h"
+#include "../Common/PathUtil.h"
 
 using namespace Gdiplus;
 
@@ -1218,7 +1219,7 @@ bool System::CopyFiles(std::wstring from, std::wstring to, bool bMove)
 {
 	// If given "from" path ends with path separator, remove it (Workaround for XP: error code 1026)
 	size_t len;
-	while (len = from.size(), len > 0 && IsPathSeparator(from[len - 1]))
+	while (len = from.size(), len > 0 && PathUtil::IsSeparator(from[len - 1]))
 	{
 		from.resize(len - 1);
 	}
diff --git a/Library/System.h b/Library/System.h
index d1f3f4d3..292f73d9 100644
--- a/Library/System.h
+++ b/Library/System.h
@@ -63,10 +63,6 @@ public:
 	static ULONGLONG GetTickCount64();
 	static POINT GetCursorPosition();
 
-	static bool IsPathSeparator(WCHAR ch) { return (ch == L'\\' || ch == L'/'); }
-	static bool IsUNCPath(const std::wstring& path) { return (path.length() >= 2 && IsPathSeparator(path[0]) && IsPathSeparator(path[1])); }
-	static bool IsAbsolutePath(const std::wstring& path) { return (path.find(L":\\") != std::wstring::npos || path.find(L":/") != std::wstring::npos || IsUNCPath(path)); }
-
 	static bool IsFileWritable(LPCWSTR file);
 
 	static HMODULE RmLoadLibrary(LPCWSTR lpLibFileName, DWORD* dwError = nullptr);
diff --git a/Library/TintedImage.cpp b/Library/TintedImage.cpp
index a0ab820d..9fe57cf6 100644
--- a/Library/TintedImage.cpp
+++ b/Library/TintedImage.cpp
@@ -17,6 +17,7 @@
 */
 
 #include "StdAfx.h"
+#include "../Common/PathUtil.h"
 #include "TintedImage.h"
 #include "ConfigParser.h"
 #include "System.h"
@@ -631,13 +632,7 @@ void TintedImage::ReadOptions(ConfigParser& parser, const WCHAR* section, const
 	std::wstring oldPath = m_Path;
 
 	m_Path = parser.ReadString(section, m_OptionArray[OptionIndexImagePath], imagePath);
-	if (!m_Path.empty())
-	{
-		if (!System::IsPathSeparator(m_Path[m_Path.length() - 1]))
-		{
-			m_Path += L'\\';
-		}
-	}
+	PathUtil::AppendBacklashIfMissing(m_Path);
 
 	m_HasPathChanged = (oldPath != m_Path);