diff --git a/Common/Thread/ThreadUtil.cpp b/Common/Thread/ThreadUtil.cpp
index a67e1e65ac..8d60ea6140 100644
--- a/Common/Thread/ThreadUtil.cpp
+++ b/Common/Thread/ThreadUtil.cpp
@@ -30,10 +30,11 @@ AttachDetachFunc g_detach;
 void AttachThreadToJNI() {
 	if (g_attach) {
 		g_attach();
+	} else {
+		ERROR_LOG(Log::System, "Couldn't attach thread - g_attach not set");
 	}
 }
 
-
 void DetachThreadFromJNI() {
 	if (g_detach) {
 		g_detach();
diff --git a/Core/HLE/AtracCtx2.h b/Core/HLE/AtracCtx2.h
index afd4956677..2a5554df66 100644
--- a/Core/HLE/AtracCtx2.h
+++ b/Core/HLE/AtracCtx2.h
@@ -45,7 +45,7 @@ public:
 	void CheckForSas() override;
 	int EnqueueForSas(u32 address, u32 ptr) override;
 	void DecodeForSas(s16 *dstData, int *bytesWritten, int *finish) override;
-	const AtracSasStreamState *StreamStateForSas() const { return context_->info.state == 0x10 ? &sas_ : nullptr; }
+	const AtracSasStreamState *StreamStateForSas() const override { return context_->info.state == 0x10 ? &sas_ : nullptr; }
 
 	u32 GetNextSamples() override;
 
diff --git a/Core/Util/PPGeDraw.cpp b/Core/Util/PPGeDraw.cpp
index 10cc036fdc..834c92d526 100644
--- a/Core/Util/PPGeDraw.cpp
+++ b/Core/Util/PPGeDraw.cpp
@@ -1352,7 +1352,7 @@ PPGeImage::PPGeImage(std::string_view pspFilename)
 PPGeImage::PPGeImage(u32 pngPointer, size_t pngSize)
 	: filename_(""), png_(pngPointer), size_(pngSize) {
 	if (!Memory::IsValidRange(this->png_, (u32)this->size_)) {
-		WARN_LOG(Log::sceGe, "Created PPGeImage from invalid memory range %08x (%08x bytes). Will not be drawn.");
+		WARN_LOG(Log::sceGe, "Created PPGeImage from invalid memory range %08x (%08x bytes). Will not be drawn.", this->png_, (int)this->size_);
 	}
 }
 
@@ -1374,7 +1374,7 @@ bool PPGeImage::Load() {
 		_dbg_assert_(size_ < MAX_VALID_IMAGE_SIZE);
 		const u8 *srcPtr = Memory::GetPointerRange(png_, (u32)size_);
 		if (!srcPtr) {
-			ERROR_LOG(Log::sceGe, "Trying to load PPGeImage from invalid range: %08x, %08x bytes", png_, size_);
+			ERROR_LOG(Log::sceGe, "Trying to load PPGeImage from invalid range: %08x, %08x bytes", png_, (int)size_);
 			return false;
 		}
 		success = pngLoadPtr(srcPtr, size_, &width_, &height_, &textureData);
diff --git a/Core/Util/RecentFiles.cpp b/Core/Util/RecentFiles.cpp
index 2354cda783..8a9f044451 100644
--- a/Core/Util/RecentFiles.cpp
+++ b/Core/Util/RecentFiles.cpp
@@ -13,19 +13,31 @@
 
 RecentFilesManager g_recentFiles;
 
-RecentFilesManager::RecentFilesManager() {
-	thread_ = std::thread([this] {
-		ThreadFunc();
-	});
-}
+RecentFilesManager::RecentFilesManager() {}
 
 RecentFilesManager::~RecentFilesManager() {
-	{
-		std::lock_guard<std::mutex> guard(cmdLock_);
-		cmds_.push(RecentCommand{ RecentCmd::Exit });
-		cmdCondVar_.notify_one();
+	if (thread_.joinable()) {
+		{
+			std::lock_guard<std::mutex> guard(cmdLock_);
+			cmds_.push(RecentCommand{ RecentCmd::Exit });
+			cmdCondVar_.notify_one();
+		}
+		thread_.join();
 	}
-	thread_.join();
+}
+
+void RecentFilesManager::EnsureThread() {
+	if (thread_.joinable()) {
+		return;
+	}
+	std::lock_guard<std::mutex> guard(cmdLock_);
+	thread_ = std::thread([this] {
+		// NOTE: Can't create the thread in the constructor, because at that point,
+		// JNI attachment doesn't yet work.
+		SetCurrentThreadName("RecentISOThreadFunc");
+		AndroidJNIThreadContext jniContext;  // destructor detaches
+		ThreadFunc();
+	});
 }
 
 std::vector<std::string> RecentFilesManager::GetRecentFiles() const {
@@ -137,9 +149,6 @@ void RecentFilesManager::Clean() {
 }
 
 void RecentFilesManager::ThreadFunc() {
-	SetCurrentThreadName("RecentISOs");
-	AndroidJNIThreadContext jniContext;  // destructor detaches
-
 	while (true) {
 		RecentCommand cmd;
 		{
diff --git a/Core/Util/RecentFiles.h b/Core/Util/RecentFiles.h
index 1384d13a69..cb11de83bf 100644
--- a/Core/Util/RecentFiles.h
+++ b/Core/Util/RecentFiles.h
@@ -29,8 +29,11 @@ public:
 	void Clear();
 	bool ContainsFile(std::string_view filename);
 
+	void EnsureThread();
+
 	std::vector<std::string> GetRecentFiles() const;
 private:
+
 	enum class RecentCmd {
 		Exit,
 		Clear,
@@ -58,7 +61,6 @@ private:
 	std::thread thread_;
 	std::mutex cmdLock_;
 	std::condition_variable cmdCondVar_;
-
 };
 
 // Singleton, don't make more.
diff --git a/UI/ImDebugger/ImDebugger.cpp b/UI/ImDebugger/ImDebugger.cpp
index 1960bf0a58..3c8358c335 100644
--- a/UI/ImDebugger/ImDebugger.cpp
+++ b/UI/ImDebugger/ImDebugger.cpp
@@ -1035,7 +1035,8 @@ void DrawAudioDecodersView(ImConfig &cfg, ImControl &control) {
 					int endSample, loopStart, loopEnd;
 					ctx->GetSoundSample(&endSample, &loopStart, &loopEnd);
 					ImGui::ProgressBar((float)pos / (float)endSample, ImVec2(200.0f, 0.0f));
-					ImGui::Text("Status: %s", AtracStatusToString(ctx->BufferState()));	ImGui::Text("cur/end sample: %d/%d/%d", pos, endSample);
+					ImGui::Text("Status: %s", AtracStatusToString(ctx->BufferState()));
+					ImGui::Text("cur/end sample: %d/%d", pos, endSample);
 				}
 				if (ctx->context_.IsValid()) {
 					ImGui::Text("ctx addr: ");
diff --git a/UI/NativeApp.cpp b/UI/NativeApp.cpp
index cbf73a92e2..1193dd096f 100644
--- a/UI/NativeApp.cpp
+++ b/UI/NativeApp.cpp
@@ -108,6 +108,7 @@
 #include "Core/Util/GameManager.h"
 #include "Core/Util/PortManager.h"
 #include "Core/Util/AudioFormat.h"
+#include "Core/Util/RecentFiles.h"
 #include "Core/WebServer.h"
 #include "Core/TiltEventProcessor.h"
 
@@ -341,6 +342,8 @@ void NativeInit(int argc, const char *argv[], const char *savegame_dir, const ch
 
 	g_threadManager.Init(cpu_info.num_cores, cpu_info.logical_cpu_count);
 
+	g_recentFiles.EnsureThread();
+
 	// Make sure UI state is MENU.
 	ResetUIState();