diff --git a/rpcs3/Emu/Cell/Modules/cellGcmSys.cpp b/rpcs3/Emu/Cell/Modules/cellGcmSys.cpp
index 13908a106b..f28863be8c 100644
--- a/rpcs3/Emu/Cell/Modules/cellGcmSys.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellGcmSys.cpp
@@ -595,7 +595,7 @@ s32 cellGcmSetTileInfo(u8 index, u8 location, u32 offset, u32 size, u32 pitch, u
 		return CELL_GCM_ERROR_INVALID_VALUE;
 	}
 
-	if (offset & 0xffff || size & 0xffff || pitch & 0xf)
+	if (offset & 0xffff || size & 0xffff || pitch & 0xff)
 	{
 		cellGcmSys.error("cellGcmSetTileInfo: CELL_GCM_ERROR_INVALID_ALIGNMENT");
 		return CELL_GCM_ERROR_INVALID_ALIGNMENT;
@@ -603,7 +603,7 @@ s32 cellGcmSetTileInfo(u8 index, u8 location, u32 offset, u32 size, u32 pitch, u
 
 	if (location >= 2 || (comp != 0 && (comp < 7 || comp > 12)))
 	{
-		cellGcmSys.error("cellGcmSetTileInfo: CELL_GCM_ERROR_INVALID_ALIGNMENT");
+		cellGcmSys.error("cellGcmSetTileInfo: CELL_GCM_ERROR_INVALID_ENUM");
 		return CELL_GCM_ERROR_INVALID_ENUM;
 	}
 
@@ -1171,7 +1171,7 @@ s32 cellGcmSetDefaultCommandBufferAndSegmentWordSize(u32 bufferSize, u32 segment
 	const auto& put = vm::_ref<CellGcmControl>(m_config->gcm_info.control_addr).put;
 	const auto& get = vm::_ref<CellGcmControl>(m_config->gcm_info.control_addr).get;
 
-	if (put != 0x1000 || get != 0x1000 || bufferSize < segmentSize * 2)
+	if (put != 0x1000 || get != 0x1000 || bufferSize < segmentSize * 2 || segmentSize >= 0x80000000)
 	{
 		return CELL_GCM_ERROR_FAILURE;
 	}
@@ -1220,7 +1220,7 @@ s32 cellGcmSetTile(u8 index, u8 location, u32 offset, u32 size, u32 pitch, u8 co
 		return CELL_GCM_ERROR_INVALID_VALUE;
 	}
 
-	if (offset & 0xffff || size & 0xffff || pitch & 0xf)
+	if (offset & 0xffff || size & 0xffff || pitch & 0xff)
 	{
 		cellGcmSys.error("cellGcmSetTile: CELL_GCM_ERROR_INVALID_ALIGNMENT");
 		return CELL_GCM_ERROR_INVALID_ALIGNMENT;
@@ -1485,4 +1485,4 @@ DECLARE(ppu_module_manager::cellGcmSys)("cellGcmSys", []()
 
 	// Special
 	REG_FUNC(cellGcmSys, cellGcmCallback).flags = MFF_HIDDEN;
-});
\ No newline at end of file
+});
diff --git a/rpcs3/Emu/Cell/Modules/sceNp.cpp b/rpcs3/Emu/Cell/Modules/sceNp.cpp
index f6d0bfe195..48b2080486 100644
--- a/rpcs3/Emu/Cell/Modules/sceNp.cpp
+++ b/rpcs3/Emu/Cell/Modules/sceNp.cpp
@@ -8,6 +8,7 @@
 #include "Crypto/unself.h"
 #include "cellRtc.h"
 #include "sceNp.h"
+#include "cellSysutil.h"
 
 logs::channel sceNp("sceNp");
 
@@ -905,13 +906,23 @@ s32 sceNpLookupTitleSmallStorageAsync()
 
 s32 sceNpManagerRegisterCallback(vm::ptr<SceNpManagerCallback> callback, vm::ptr<void> arg)
 {
-	sceNp.todo("sceNpManagerRegisterCallback(callback=*0x%x, arg=*0x%x)", callback, arg);
+	sceNp.warning("sceNpManagerRegisterCallback(callback=*0x%x, arg=*0x%x)", callback, arg);
 
 	if (!callback)
 	{
 		return SCE_NP_ERROR_INVALID_ARGUMENT;
 	}
 
+	sysutil_register_cb([=](ppu_thread& ppu)->s32
+	{
+		callback(ppu, SCE_NP_MANAGER_STATUS_OFFLINE, CELL_OK, arg.addr());
+		return CELL_OK;
+	});
+
+	// TODO:
+	// * Save the callback somewhere for future updates once network is implemented
+	// * If register is called again, created cb needs to be canceled
+
 	return CELL_OK;
 }
 
diff --git a/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp b/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp
index 82409777f5..acc9ae0547 100644
--- a/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp
+++ b/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp
@@ -557,9 +557,14 @@ error_code sceNpTrophyGetTrophyInfo(u32 context, u32 handle, s32 trophyId, vm::p
 	verify(HERE), !fs::get_virtual_device(path);
 	rXmlDocument doc;
 	doc.Load(path);
+	auto trophy_base = doc.GetRoot();
+	if (trophy_base->GetChildren()->GetName() == "trophyconf")
+	{
+		trophy_base = trophy_base->GetChildren();
+	}
 
 	bool found = false;
-	for (std::shared_ptr<rXmlNode> n = doc.GetRoot()->GetChildren(); n; n = n->GetNext()) {
+	for (std::shared_ptr<rXmlNode> n = trophy_base->GetChildren(); n; n = n->GetNext()) {
 		if (n->GetName() == "trophy" && (trophyId == atoi(n->GetAttribute("id").c_str())))
 		{
 			found = true;
diff --git a/rpcs3/Emu/Cell/Modules/sysPrxForUser.cpp b/rpcs3/Emu/Cell/Modules/sysPrxForUser.cpp
index b1a54a349c..6736bcb69f 100644
--- a/rpcs3/Emu/Cell/Modules/sysPrxForUser.cpp
+++ b/rpcs3/Emu/Cell/Modules/sysPrxForUser.cpp
@@ -53,12 +53,14 @@ s32 sys_get_random_number(vm::ptr<u8> addr, u64 size)
 {
 	sysPrxForUser.warning("sys_get_random_number(addr=*0x%x, size=%d)", addr, size);
 
-	if (size > 4096)
-		size = 4096;
-
-	for (u32 i = 0; i < (u32)size - 1; i++)
+	if (size > 0x1000)
 	{
-		addr[i] = rand() % 256;
+		return CELL_EINVAL;
+	}
+
+	for (u32 i = 0; i < (u32)size; i++)
+	{
+		addr[i] = rand() & 0xff;
 	}
 
 	return CELL_OK;
diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index 4486b051cd..b489bea73d 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -280,15 +280,16 @@ void ppu_thread::on_init(const std::shared_ptr<void>& _this)
 	if (!stack_addr)
 	{
 		// Allocate stack + gap between stacks
-		const_cast<u32&>(stack_addr) = vm::alloc(stack_size + 4096, vm::stack) + 4096;
-
-		if (!stack_addr)
+		auto new_stack_base = vm::alloc(stack_size + 4096, vm::stack);
+		if (!new_stack_base)
 		{
 			fmt::throw_exception("Out of stack memory (size=0x%x)" HERE, stack_size);
 		}
 
+		const_cast<u32&>(stack_addr) = new_stack_base + 4096;
+
 		// Make the gap inaccessible
-		vm::page_protect(stack_addr - 4096, 4096, 0, 0, vm::page_readable + vm::page_writable);
+		vm::page_protect(new_stack_base, 4096, 0, 0, vm::page_readable + vm::page_writable);
 
 		gpr[1] = ::align(stack_addr + stack_size, 0x200) - 0x200;
 
diff --git a/rpcs3/Loader/TROPUSR.cpp b/rpcs3/Loader/TROPUSR.cpp
index 914f88a8d6..fb503d8d3f 100644
--- a/rpcs3/Loader/TROPUSR.cpp
+++ b/rpcs3/Loader/TROPUSR.cpp
@@ -9,9 +9,9 @@ bool TROPUSRLoader::Load(const std::string& filepath, const std::string& configp
 {
 	const std::string& path = vfs::get(filepath);
 
-	if (!fs::is_file(path))
+	if (!Generate(filepath, configpath))
 	{
-		Generate(filepath, configpath);
+		return false;
 	}
 
 	if (!m_file.open(path, fs::read))
@@ -147,7 +147,13 @@ bool TROPUSRLoader::Generate(const std::string& filepath, const std::string& con
 	m_table4.clear();
 	m_table6.clear();
 
-	for (std::shared_ptr<rXmlNode> n = doc.GetRoot()->GetChildren(); n; n = n->GetNext())
+	auto trophy_base = doc.GetRoot();
+	if (trophy_base->GetChildren()->GetName() == "trophyconf")
+	{
+		trophy_base = trophy_base->GetChildren();
+	}
+
+	for (std::shared_ptr<rXmlNode> n = trophy_base->GetChildren(); n; n = n->GetNext())
 	{
 		if (n->GetName() == "trophy")
 		{
diff --git a/rpcs3/Loader/TRP.cpp b/rpcs3/Loader/TRP.cpp
index da6bea24bb..fe43740d03 100644
--- a/rpcs3/Loader/TRP.cpp
+++ b/rpcs3/Loader/TRP.cpp
@@ -22,7 +22,7 @@ bool TRPLoader::Install(const std::string& dest, bool show)
 		return false;
 	}
 
-	std::vector<char> buffer; buffer.reserve(65536);
+	std::vector<char> buffer(65536);
 
 	for (const TRPEntry& entry : m_entries)
 	{