That should do it

src/Cafe/Account/Account.cpp

@@ -175,7 +175,7 @@ std::error_code Account::Load()
 
 std::error_code Account::Save()
 {
-	fs::path path = CemuApp::GetMLCPath(fmt::format(L"usr/save/system/act/{:08x}", m_persistent_id)).ToStdWstring();
+	FSPath path = CemuApp::GetMLCPath(fmt::format(L"usr/save/system/act/{:08x}", m_persistent_id)).ToStdWstring();
 	if (!fs::exists(path))
 	{
 		std::error_code ec;

src/Cafe/Filesystem/FSPath.cpp

@@ -1,16 +1,13 @@
 #include "FSPath.h"
 
+#ifdef BOOST_OS_LINUX
+
 FSPath& FSPath::operator/ (const FSPath & other)
 {
 	*this /= other;
 	return *this;
 }
-#ifndef BOOST_OS_UNIX
+
-FSPath& FSPath::operator/= (const FSPath & other)
-{
-	fs::path::operator/=(other);
-}
-#else
 FSPath& FSPath::operator/= (const FSPath & other)
 {
 	// todo: implement caching.
@@ -20,9 +17,9 @@ FSPath& FSPath::operator/= (const FSPath & other)
 	fs::path correctedPath = empty() ? other.root_path() : *this;
 
 	// helper function to convert a path's alphabet characters to lowercase.
-	auto static lowercase_path = [](fs::path const & path)
+	auto static lowercase_path = [](FSPath const & path)
 	{
-		std::wstring string = path.wstring();
+		std::string string = path.string();
 		for (auto& i : string)
 		{
 			i = std::isalpha(i) ? std::tolower(i) : i;
@@ -47,19 +44,13 @@ FSPath& FSPath::operator/= (const FSPath & other)
 		}
 
 		// if we can't iterate directory, just copy the original case.
-		if(listErr)
+		if(listErr || !found)
 		{
 			correctedPath /= it;
-			found = true;
+		}
 	}
 
-		if (!found)
+	*this = FSPath(correctedPath);
-			break;
-	}
-
-	if (found)
-		*this = correctedPath;
-
 	return *this;
 }
 

src/Cafe/Filesystem/FSPath.h

@@ -6,8 +6,9 @@ class FSPath : public fs::path {
 	FSPath() = default;
 
 	template <class T>
-	FSPath(const T & other) : fs::path(other) {};
+	FSPath(const T& other) : fs::path(other) {};
 
+#ifdef BOOST_OS_UNIX
 	template <class T>
 	static FSPath Convert(const T& input)
 	{
@@ -15,4 +16,5 @@ class FSPath : public fs::path {
 	}
 	FSPath& operator/= (const FSPath & other);
 	FSPath& operator/ (const FSPath & other);
+#endif
 };

src/Cafe/Filesystem/fscDeviceHostFS.cpp

@@ -219,9 +219,9 @@ FSCVirtualFile* FSCVirtualFile_Host::OpenFile(const FSPath& path, FSC_ACCESS_FLA
 
 /* Device implementation */
 
-class fscDeviceHostFSC : public fscDeviceC {
+class fscDeviceHostFSC : public fscDeviceC
- public:
+{
-
+public:
 	FSCVirtualFile* fscDeviceOpenByPath(std::wstring_view path, FSC_ACCESS_FLAG accessFlags, void* ctx, sint32* fscStatus) override
 	{
 		*fscStatus = FSC_STATUS_OK;

src/Cafe/TitleList/SaveInfo.h

@@ -23,7 +23,7 @@ private:
 	static fs::path GetSavePath(TitleId titleId);
 
 	TitleId m_titleId;
-	fs::path m_path;
+	FSPath m_path;
 	bool m_isValid{false};
 	bool m_hasMetaLoaded{false};
 	ParsedMetaXml* m_parsedMetaXml{nullptr};

src/Common/unix/FileStream_unix.cpp

@@ -10,7 +10,7 @@ FileStream* FileStream::openFile(const wchar_t* path, bool allowWrite)
 	return openFile2(path, allowWrite);
 }
 
-FileStream* FileStream::openFile2(const FSPath& path, bool allowWrite)
+FileStream* FileStream::openFile2(const fs::path& path, bool allowWrite)
 {
 	//return openFile(path.generic_wstring().c_str(), allowWrite);
 	FileStream* fs = new FileStream(path, true, allowWrite);

src/Common/unix/FileStream_unix.h

@@ -1,5 +1,4 @@
 #pragma once
-#include <Cafe/Filesystem/FSPath.h>
 #include "Common/precompiled.h"
 
 class FileStream
@@ -7,7 +6,7 @@ class FileStream
  public:
 	static FileStream* openFile(std::string_view path);
 	static FileStream* openFile(const wchar_t* path, bool allowWrite = false);
-	static FileStream* openFile2(const FSPath& path, bool allowWrite = false);
+	static FileStream* openFile2(const fs::path& path, bool allowWrite = false);
 
 	static FileStream* createFile(const wchar_t* path);
 	static FileStream* createFile(std::string_view path);

src/config/ActiveSettings.cpp

@@ -223,7 +223,7 @@ FSPath ActiveSettings::GetMlcPath()
 FSPath ActiveSettings::GetMlcPath(std::string_view p)
 {
 	std::basic_string_view<char8_t> s((const char8_t*)p.data(), p.size());
-	return GetMlcPath() / FSPath(s);
+	return GetMlcPath() / s;
 }
 
 fs::path ActiveSettings::GetDefaultMLCPath()

src/config/ActiveSettings.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "config/CemuConfig.h"
+#include "Cafe/Filesystem/FSPath.h"
 
 // global active settings for fast access (reflects settings from command line and game profile)
 class ActiveSettings
@@ -39,15 +40,15 @@ public:
 	}
 	
 	template <typename ...TArgs>
-	[[nodiscard]] static fs::path GetMlcPath(std::string_view format, TArgs&&... args)
+	[[nodiscard]] static FSPath GetMlcPath(std::string_view format, TArgs&&... args)
 	{
 		cemu_assert_debug(format.empty() || (format[0] != '/' && format[0] != '\\'));
 		auto tmp = fmt::format(fmt::runtime(format), std::forward<TArgs>(args)...);
-		return GetMlcPath() / FSPath(_asUtf8(tmp));
+		return GetMlcPath() / _asUtf8(tmp);
 	}
 	
 	template <typename ...TArgs>
-	[[nodiscard]] static fs::path GetMlcPath(std::wstring_view format, TArgs&&... args)
+	[[nodiscard]] static FSPath GetMlcPath(std::wstring_view format, TArgs&&... args)
 	{
 		cemu_assert_debug(format.empty() || (format[0] != L'/' && format[0] != L'\\'));
 		return GetMlcPath() / fmt::format(fmt::runtime(format), std::forward<TArgs>(args)...);