diff --git a/README.md b/README.md
index 8f54a6227..43dc85424 100755
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 4063.
+This is the source code for early-access 4064.
 
 ## Legal Notice
 
diff --git a/src/audio_core/device/device_session.cpp b/src/audio_core/device/device_session.cpp
index e45280e1f..bb6702440 100755
--- a/src/audio_core/device/device_session.cpp
+++ b/src/audio_core/device/device_session.cpp
@@ -11,6 +11,8 @@
 #include "core/guest_memory.h"
 #include "core/memory.h"
 
+#include "core/hle/kernel/k_process.h"
+
 namespace AudioCore {
 
 using namespace std::literals;
@@ -26,7 +28,7 @@ DeviceSession::~DeviceSession() {
 }
 
 Result DeviceSession::Initialize(std::string_view name_, SampleFormat sample_format_,
-                                 u16 channel_count_, size_t session_id_, u32 handle_,
+                                 u16 channel_count_, size_t session_id_, Kernel::KProcess* handle_,
                                  u64 applet_resource_user_id_, Sink::StreamType type_) {
     if (stream) {
         Finalize();
@@ -37,6 +39,7 @@ Result DeviceSession::Initialize(std::string_view name_, SampleFormat sample_for
     channel_count = channel_count_;
     session_id = session_id_;
     handle = handle_;
+    handle->Open();
     applet_resource_user_id = applet_resource_user_id_;
 
     if (type == Sink::StreamType::In) {
@@ -55,6 +58,11 @@ void DeviceSession::Finalize() {
         sink->CloseStream(stream);
         stream = nullptr;
     }
+
+    if (handle) {
+        handle->Close();
+        handle = nullptr;
+    }
 }
 
 void DeviceSession::Start() {
@@ -92,7 +100,7 @@ void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) {
             stream->AppendBuffer(new_buffer, tmp_samples);
         } else {
             Core::Memory::CpuGuestMemory<s16, Core::Memory::GuestMemoryFlags::UnsafeRead> samples(
-                system.ApplicationMemory(), buffer.samples, buffer.size / sizeof(s16));
+                handle->GetMemory(), buffer.samples, buffer.size / sizeof(s16));
             stream->AppendBuffer(new_buffer, samples);
         }
     }
@@ -101,7 +109,7 @@ void DeviceSession::AppendBuffers(std::span<const AudioBuffer> buffers) {
 void DeviceSession::ReleaseBuffer(const AudioBuffer& buffer) const {
     if (type == Sink::StreamType::In) {
         auto samples{stream->ReleaseBuffer(buffer.size / sizeof(s16))};
-        system.ApplicationMemory().WriteBlockUnsafe(buffer.samples, samples.data(), buffer.size);
+        handle->GetMemory().WriteBlockUnsafe(buffer.samples, samples.data(), buffer.size);
     }
 }
 
diff --git a/src/audio_core/device/device_session.h b/src/audio_core/device/device_session.h
index c15be62d1..e6847002b 100755
--- a/src/audio_core/device/device_session.h
+++ b/src/audio_core/device/device_session.h
@@ -20,6 +20,10 @@ struct EventType;
 } // namespace Timing
 } // namespace Core
 
+namespace Kernel {
+class KProcess;
+} // namespace Kernel
+
 namespace AudioCore {
 
 namespace Sink {
@@ -44,13 +48,13 @@ public:
      * @param sample_format           - Sample format for this device's output.
      * @param channel_count           - Number of channels for this device (2 or 6).
      * @param session_id              - This session's id.
-     * @param handle                  - Handle for this device session (unused).
+     * @param handle                  - Process handle for this device session.
      * @param applet_resource_user_id - Applet resource user id for this device session (unused).
      * @param type                    - Type of this stream (Render, In, Out).
      * @return Result code for this call.
      */
     Result Initialize(std::string_view name, SampleFormat sample_format, u16 channel_count,
-                      size_t session_id, u32 handle, u64 applet_resource_user_id,
+                      size_t session_id, Kernel::KProcess* handle, u64 applet_resource_user_id,
                       Sink::StreamType type);
 
     /**
@@ -137,8 +141,8 @@ private:
     u16 channel_count{};
     /// Session id of this device session
     size_t session_id{};
-    /// Handle of this device session
-    u32 handle{};
+    /// Process handle of device memory owner
+    Kernel::KProcess* handle{};
     /// Applet resource user id of this device session
     u64 applet_resource_user_id{};
     /// Total number of samples played by this device session
diff --git a/src/audio_core/in/audio_in_system.cpp b/src/audio_core/in/audio_in_system.cpp
index 0d52bd31a..95b3a2072 100755
--- a/src/audio_core/in/audio_in_system.cpp
+++ b/src/audio_core/in/audio_in_system.cpp
@@ -57,7 +57,7 @@ Result System::IsConfigValid(const std::string_view device_name,
 }
 
 Result System::Initialize(std::string device_name, const AudioInParameter& in_params,
-                          const u32 handle_, const u64 applet_resource_user_id_) {
+                          Kernel::KProcess* handle_, const u64 applet_resource_user_id_) {
     auto result{IsConfigValid(device_name, in_params)};
     if (result.IsError()) {
         return result;
diff --git a/src/audio_core/in/audio_in_system.h b/src/audio_core/in/audio_in_system.h
index 39eeb64b7..a2ce71b46 100755
--- a/src/audio_core/in/audio_in_system.h
+++ b/src/audio_core/in/audio_in_system.h
@@ -19,7 +19,8 @@ class System;
 
 namespace Kernel {
 class KEvent;
-}
+class KProcess;
+} // namespace Kernel
 
 namespace AudioCore::AudioIn {
 
@@ -93,12 +94,12 @@ public:
      *
      * @param device_name             - The name of the requested input device.
      * @param in_params               - Input parameters, see AudioInParameter.
-     * @param handle                  - Unused.
+     * @param handle                  - Process handle.
      * @param applet_resource_user_id - Unused.
      * @return Result code.
      */
-    Result Initialize(std::string device_name, const AudioInParameter& in_params, u32 handle,
-                      u64 applet_resource_user_id);
+    Result Initialize(std::string device_name, const AudioInParameter& in_params,
+                      Kernel::KProcess* handle, u64 applet_resource_user_id);
 
     /**
      * Start this system.
@@ -244,8 +245,8 @@ public:
 private:
     /// Core system
     Core::System& system;
-    /// (Unused)
-    u32 handle{};
+    /// Process handle
+    Kernel::KProcess* handle{};
     /// (Unused)
     u64 applet_resource_user_id{};
     /// Buffer event, signalled when a buffer is ready
diff --git a/src/audio_core/out/audio_out_system.cpp b/src/audio_core/out/audio_out_system.cpp
index 9bcae33bf..10c95569f 100755
--- a/src/audio_core/out/audio_out_system.cpp
+++ b/src/audio_core/out/audio_out_system.cpp
@@ -48,8 +48,8 @@ Result System::IsConfigValid(std::string_view device_name,
     return Service::Audio::ResultInvalidChannelCount;
 }
 
-Result System::Initialize(std::string device_name, const AudioOutParameter& in_params, u32 handle_,
-                          u64 applet_resource_user_id_) {
+Result System::Initialize(std::string device_name, const AudioOutParameter& in_params,
+                          Kernel::KProcess* handle_, u64 applet_resource_user_id_) {
     auto result = IsConfigValid(device_name, in_params);
     if (result.IsError()) {
         return result;
diff --git a/src/audio_core/out/audio_out_system.h b/src/audio_core/out/audio_out_system.h
index 3a19229a2..628a94bfa 100755
--- a/src/audio_core/out/audio_out_system.h
+++ b/src/audio_core/out/audio_out_system.h
@@ -19,7 +19,8 @@ class System;
 
 namespace Kernel {
 class KEvent;
-}
+class KProcess;
+} // namespace Kernel
 
 namespace AudioCore::AudioOut {
 
@@ -84,12 +85,12 @@ public:
      *
      * @param device_name             - The name of the requested output device.
      * @param in_params               - Input parameters, see AudioOutParameter.
-     * @param handle                  - Unused.
+     * @param handle                  - Process handle.
      * @param applet_resource_user_id - Unused.
      * @return Result code.
      */
-    Result Initialize(std::string device_name, const AudioOutParameter& in_params, u32 handle,
-                      u64 applet_resource_user_id);
+    Result Initialize(std::string device_name, const AudioOutParameter& in_params,
+                      Kernel::KProcess* handle, u64 applet_resource_user_id);
 
     /**
      * Start this system.
@@ -228,8 +229,8 @@ public:
 private:
     /// Core system
     Core::System& system;
-    /// (Unused)
-    u32 handle{};
+    /// Process handle
+    Kernel::KProcess* handle{};
     /// (Unused)
     u64 applet_resource_user_id{};
     /// Buffer event, signalled when a buffer is ready
diff --git a/src/core/hle/kernel/k_memory_block_manager.cpp b/src/core/hle/kernel/k_memory_block_manager.cpp
index 0530fe7b9..882c9d505 100755
--- a/src/core/hle/kernel/k_memory_block_manager.cpp
+++ b/src/core/hle/kernel/k_memory_block_manager.cpp
@@ -28,14 +28,14 @@ Result KMemoryBlockManager::Initialize(KProcessAddress st, KProcessAddress nd,
 }
 
 void KMemoryBlockManager::Finalize(KMemoryBlockSlabManager* slab_manager,
-                                   HostUnmapCallback&& host_unmap_callback) {
+                                   BlockCallback&& block_callback) {
     // Erase every block until we have none left.
     auto it = m_memory_block_tree.begin();
     while (it != m_memory_block_tree.end()) {
         KMemoryBlock* block = std::addressof(*it);
         it = m_memory_block_tree.erase(it);
+        block_callback(block->GetAddress(), block->GetSize());
         slab_manager->Free(block);
-        host_unmap_callback(block->GetAddress(), block->GetSize());
     }
 
     ASSERT(m_memory_block_tree.empty());
diff --git a/src/core/hle/kernel/k_memory_block_manager.h b/src/core/hle/kernel/k_memory_block_manager.h
index 9cf5f5f12..48afc5469 100755
--- a/src/core/hle/kernel/k_memory_block_manager.h
+++ b/src/core/hle/kernel/k_memory_block_manager.h
@@ -85,11 +85,11 @@ public:
 public:
     KMemoryBlockManager();
 
-    using HostUnmapCallback = std::function<void(Common::ProcessAddress, u64)>;
+    using BlockCallback = std::function<void(Common::ProcessAddress, u64)>;
 
     Result Initialize(KProcessAddress st, KProcessAddress nd,
                       KMemoryBlockSlabManager* slab_manager);
-    void Finalize(KMemoryBlockSlabManager* slab_manager, HostUnmapCallback&& host_unmap_callback);
+    void Finalize(KMemoryBlockSlabManager* slab_manager, BlockCallback&& block_callback);
 
     iterator end() {
         return m_memory_block_tree.end();
diff --git a/src/core/hle/kernel/k_page_table_base.cpp b/src/core/hle/kernel/k_page_table_base.cpp
index f01eaa164..3f0a39d33 100755
--- a/src/core/hle/kernel/k_page_table_base.cpp
+++ b/src/core/hle/kernel/k_page_table_base.cpp
@@ -435,69 +435,14 @@ Result KPageTableBase::FinalizeProcess() {
     // Only process tables should be finalized.
     ASSERT(!this->IsKernel());
 
-    // HLE processes don't have memory mapped.
-    R_SUCCEED_IF(m_impl == nullptr);
-
     // NOTE: Here Nintendo calls an unknown OnFinalize function.
     // this->OnFinalize();
 
     // NOTE: Here Nintendo calls a second unknown OnFinalize function.
     // this->OnFinalize2();
 
-    // Get implementation objects.
-    auto& impl = this->GetImpl();
-    auto& mm = m_kernel.MemoryManager();
-
-    // Traverse, freeing all pages.
-    {
-        // Get the address space size.
-        const size_t as_size = this->GetAddressSpaceSize();
-
-        // Begin the traversal.
-        TraversalContext context;
-        TraversalEntry cur_entry = {
-            .phys_addr = 0,
-            .block_size = 0,
-        };
-
-        bool cur_valid = false;
-        TraversalEntry next_entry;
-        bool next_valid;
-        size_t tot_size = 0;
-
-        next_valid = impl.BeginTraversal(std::addressof(next_entry), std::addressof(context),
-                                         this->GetAddressSpaceStart());
-
-        // Iterate over entries.
-        while (true) {
-            if ((!next_valid && !cur_valid) ||
-                (next_valid && cur_valid &&
-                 next_entry.phys_addr == cur_entry.phys_addr + cur_entry.block_size)) {
-                cur_entry.block_size += next_entry.block_size;
-            } else {
-                if (cur_valid && IsHeapPhysicalAddressForFinalize(cur_entry.phys_addr)) {
-                    mm.Close(cur_entry.phys_addr, cur_entry.block_size / PageSize);
-                }
-
-                // Update tracking variables.
-                tot_size += cur_entry.block_size;
-                cur_entry = next_entry;
-                cur_valid = next_valid;
-            }
-
-            if (cur_entry.block_size + tot_size >= as_size) {
-                break;
-            }
-
-            next_valid =
-                impl.ContinueTraversal(std::addressof(next_entry), std::addressof(context));
-        }
-
-        // Handle the last block.
-        if (cur_valid && IsHeapPhysicalAddressForFinalize(cur_entry.phys_addr)) {
-            mm.Close(cur_entry.phys_addr, cur_entry.block_size / PageSize);
-        }
-    }
+    // NOTE: Here Nintendo does a page table walk to discover heap pages to free.
+    // We will use the block manager finalization below to free them.
 
     R_SUCCEED();
 }
@@ -505,14 +450,24 @@ Result KPageTableBase::FinalizeProcess() {
 void KPageTableBase::Finalize() {
     this->FinalizeProcess();
 
-    auto HostUnmapCallback = [&](KProcessAddress addr, u64 size) {
+    auto BlockCallback = [&](KProcessAddress addr, u64 size) {
         if (m_impl->fastmem_arena) {
             m_system.DeviceMemory().buffer.Unmap(GetInteger(addr), size, false);
         }
+
+        // Get physical pages.
+        KPageGroup pg(m_kernel, m_block_info_manager);
+        this->MakePageGroup(pg, addr, size / PageSize);
+
+        // Free the pages.
+        pg.CloseAndReset();
     };
 
     // Finalize memory blocks.
-    m_memory_block_manager.Finalize(m_memory_block_slab_manager, std::move(HostUnmapCallback));
+    {
+        KScopedLightLock lk(m_general_lock);
+        m_memory_block_manager.Finalize(m_memory_block_slab_manager, std::move(BlockCallback));
+    }
 
     // Free any unsafe mapped memory.
     if (m_mapped_unsafe_physical_memory) {
diff --git a/src/core/hle/service/audio/audin_u.cpp b/src/core/hle/service/audio/audin_u.cpp
index f1cd77c2d..1d4417d69 100755
--- a/src/core/hle/service/audio/audin_u.cpp
+++ b/src/core/hle/service/audio/audin_u.cpp
@@ -18,11 +18,11 @@ using namespace AudioCore::AudioIn;
 class IAudioIn final : public ServiceFramework<IAudioIn> {
 public:
     explicit IAudioIn(Core::System& system_, Manager& manager, size_t session_id,
-                      const std::string& device_name, const AudioInParameter& in_params, u32 handle,
-                      u64 applet_resource_user_id)
+                      const std::string& device_name, const AudioInParameter& in_params,
+                      Kernel::KProcess* handle, u64 applet_resource_user_id)
         : ServiceFramework{system_, "IAudioIn"},
           service_context{system_, "IAudioIn"}, event{service_context.CreateEvent("AudioInEvent")},
-          impl{std::make_shared<In>(system_, manager, event, session_id)} {
+          process{handle}, impl{std::make_shared<In>(system_, manager, event, session_id)} {
         // clang-format off
         static const FunctionInfo functions[] = {
             {0, &IAudioIn::GetAudioInState, "GetAudioInState"},
@@ -45,6 +45,8 @@ public:
 
         RegisterHandlers(functions);
 
+        process->Open();
+
         if (impl->GetSystem()
                 .Initialize(device_name, in_params, handle, applet_resource_user_id)
                 .IsError()) {
@@ -55,6 +57,7 @@ public:
     ~IAudioIn() override {
         impl->Free();
         service_context.CloseEvent(event);
+        process->Close();
     }
 
     [[nodiscard]] std::shared_ptr<In> GetImpl() {
@@ -196,6 +199,7 @@ private:
 
     KernelHelpers::ServiceContext service_context;
     Kernel::KEvent* event;
+    Kernel::KProcess* process;
     std::shared_ptr<AudioCore::AudioIn::In> impl;
     Common::ScratchBuffer<u64> released_buffer;
 };
@@ -267,6 +271,14 @@ void AudInU::OpenAudioIn(HLERequestContext& ctx) {
     auto device_name = Common::StringFromBuffer(device_name_data);
     auto handle{ctx.GetCopyHandle(0)};
 
+    auto process{ctx.GetObjectFromHandle<Kernel::KProcess>(handle)};
+    if (process.IsNull()) {
+        LOG_ERROR(Service_Audio, "Failed to get process handle");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultUnknown);
+        return;
+    }
+
     std::scoped_lock l{impl->mutex};
     auto link{impl->LinkToManager()};
     if (link.IsError()) {
@@ -287,8 +299,9 @@ void AudInU::OpenAudioIn(HLERequestContext& ctx) {
     LOG_DEBUG(Service_Audio, "Opening new AudioIn, sessionid={}, free sessions={}", new_session_id,
               impl->num_free_sessions);
 
-    auto audio_in = std::make_shared<IAudioIn>(system, *impl, new_session_id, device_name,
-                                               in_params, handle, applet_resource_user_id);
+    auto audio_in =
+        std::make_shared<IAudioIn>(system, *impl, new_session_id, device_name, in_params,
+                                   process.GetPointerUnsafe(), applet_resource_user_id);
     impl->sessions[new_session_id] = audio_in->GetImpl();
     impl->applet_resource_user_ids[new_session_id] = applet_resource_user_id;
 
@@ -318,6 +331,14 @@ void AudInU::OpenAudioInProtocolSpecified(HLERequestContext& ctx) {
     auto device_name = Common::StringFromBuffer(device_name_data);
     auto handle{ctx.GetCopyHandle(0)};
 
+    auto process{ctx.GetObjectFromHandle<Kernel::KProcess>(handle)};
+    if (process.IsNull()) {
+        LOG_ERROR(Service_Audio, "Failed to get process handle");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultUnknown);
+        return;
+    }
+
     std::scoped_lock l{impl->mutex};
     auto link{impl->LinkToManager()};
     if (link.IsError()) {
@@ -338,8 +359,9 @@ void AudInU::OpenAudioInProtocolSpecified(HLERequestContext& ctx) {
     LOG_DEBUG(Service_Audio, "Opening new AudioIn, sessionid={}, free sessions={}", new_session_id,
               impl->num_free_sessions);
 
-    auto audio_in = std::make_shared<IAudioIn>(system, *impl, new_session_id, device_name,
-                                               in_params, handle, applet_resource_user_id);
+    auto audio_in =
+        std::make_shared<IAudioIn>(system, *impl, new_session_id, device_name, in_params,
+                                   process.GetPointerUnsafe(), applet_resource_user_id);
     impl->sessions[new_session_id] = audio_in->GetImpl();
     impl->applet_resource_user_ids[new_session_id] = applet_resource_user_id;
 
diff --git a/src/core/hle/service/audio/audout_u.cpp b/src/core/hle/service/audio/audout_u.cpp
index e505b286e..de4eb68ba 100755
--- a/src/core/hle/service/audio/audout_u.cpp
+++ b/src/core/hle/service/audio/audout_u.cpp
@@ -26,9 +26,10 @@ class IAudioOut final : public ServiceFramework<IAudioOut> {
 public:
     explicit IAudioOut(Core::System& system_, AudioCore::AudioOut::Manager& manager,
                        size_t session_id, const std::string& device_name,
-                       const AudioOutParameter& in_params, u32 handle, u64 applet_resource_user_id)
+                       const AudioOutParameter& in_params, Kernel::KProcess* handle,
+                       u64 applet_resource_user_id)
         : ServiceFramework{system_, "IAudioOut"}, service_context{system_, "IAudioOut"},
-          event{service_context.CreateEvent("AudioOutEvent")},
+          event{service_context.CreateEvent("AudioOutEvent")}, process{handle},
           impl{std::make_shared<AudioCore::AudioOut::Out>(system_, manager, event, session_id)} {
 
         // clang-format off
@@ -50,11 +51,14 @@ public:
         };
         // clang-format on
         RegisterHandlers(functions);
+
+        process->Open();
     }
 
     ~IAudioOut() override {
         impl->Free();
         service_context.CloseEvent(event);
+        process->Close();
     }
 
     [[nodiscard]] std::shared_ptr<AudioCore::AudioOut::Out> GetImpl() {
@@ -206,6 +210,7 @@ private:
 
     KernelHelpers::ServiceContext service_context;
     Kernel::KEvent* event;
+    Kernel::KProcess* process;
     std::shared_ptr<AudioCore::AudioOut::Out> impl;
     Common::ScratchBuffer<u64> released_buffer;
 };
@@ -257,6 +262,14 @@ void AudOutU::OpenAudioOut(HLERequestContext& ctx) {
     auto device_name = Common::StringFromBuffer(device_name_data);
     auto handle{ctx.GetCopyHandle(0)};
 
+    auto process{ctx.GetObjectFromHandle<Kernel::KProcess>(handle)};
+    if (process.IsNull()) {
+        LOG_ERROR(Service_Audio, "Failed to get process handle");
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(ResultUnknown);
+        return;
+    }
+
     auto link{impl->LinkToManager()};
     if (link.IsError()) {
         LOG_ERROR(Service_Audio, "Failed to link Audio Out to Audio Manager");
@@ -276,10 +289,11 @@ void AudOutU::OpenAudioOut(HLERequestContext& ctx) {
     LOG_DEBUG(Service_Audio, "Opening new AudioOut, sessionid={}, free sessions={}", new_session_id,
               impl->num_free_sessions);
 
-    auto audio_out = std::make_shared<IAudioOut>(system, *impl, new_session_id, device_name,
-                                                 in_params, handle, applet_resource_user_id);
-    result = audio_out->GetImpl()->GetSystem().Initialize(device_name, in_params, handle,
-                                                          applet_resource_user_id);
+    auto audio_out =
+        std::make_shared<IAudioOut>(system, *impl, new_session_id, device_name, in_params,
+                                    process.GetPointerUnsafe(), applet_resource_user_id);
+    result = audio_out->GetImpl()->GetSystem().Initialize(
+        device_name, in_params, process.GetPointerUnsafe(), applet_resource_user_id);
     if (result.IsError()) {
         LOG_ERROR(Service_Audio, "Failed to initialize the AudioOut System!");
         IPC::ResponseBuilder rb{ctx, 2};
diff --git a/src/core/loader/nro.cpp b/src/core/loader/nro.cpp
index 6d09e9aa3..969c0fc9f 100755
--- a/src/core/loader/nro.cpp
+++ b/src/core/loader/nro.cpp
@@ -275,12 +275,12 @@ AppLoader_NRO::LoadResult AppLoader_NRO::Load(Kernel::KProcess& process, Core::S
         return {ResultStatus::ErrorLoadingNRO, {}};
     }
 
-    if (romfs != nullptr) {
-        system.GetFileSystemController().RegisterProcess(
-            process.GetProcessId(), {},
-            std::make_unique<FileSys::RomFSFactory>(*this, system.GetContentProvider(),
-                                                    system.GetFileSystemController()));
-    }
+    u64 program_id{};
+    ReadProgramId(program_id);
+    system.GetFileSystemController().RegisterProcess(
+        process.GetProcessId(), program_id,
+        std::make_unique<FileSys::RomFSFactory>(*this, system.GetContentProvider(),
+                                                system.GetFileSystemController()));
 
     is_loaded = true;
     return {ResultStatus::Success, LoadParameters{Kernel::KThread::DefaultThreadPriority,