diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt
index 31f350f638..0221d8f3a4 100644
--- a/common/CMakeLists.txt
+++ b/common/CMakeLists.txt
@@ -91,6 +91,7 @@ target_sources(common PRIVATE
 	PrecompiledHeader.h
 	ProgressCallback.h
 	ReadbackSpinManager.h
+	RedtapeWilCom.h
 	RedtapeWindows.h
 	SafeArray.h
 	ScopedGuard.h
diff --git a/common/CrashHandler.cpp b/common/CrashHandler.cpp
index 9ee1c49230..2224753159 100644
--- a/common/CrashHandler.cpp
+++ b/common/CrashHandler.cpp
@@ -114,7 +114,7 @@ static void WriteMinidumpAndCallstack(PEXCEPTION_POINTERS exi)
 	{
 		char line[1024];
 		DWORD written;
-		std::snprintf(line, std::size(line), "Exception 0x%08X at 0x%p\n", exi->ExceptionRecord->ExceptionCode,
+		std::snprintf(line, std::size(line), "Exception 0x%08X at 0x%p\n", static_cast<unsigned>(exi->ExceptionRecord->ExceptionCode),
 			exi->ExceptionRecord->ExceptionAddress);
 		WriteFile(hFile, line, static_cast<DWORD>(std::strlen(line)), &written, nullptr);
 	}
diff --git a/common/D3D11/ShaderCache.h b/common/D3D11/ShaderCache.h
index 5c5fc5a5a0..25f3c40912 100644
--- a/common/D3D11/ShaderCache.h
+++ b/common/D3D11/ShaderCache.h
@@ -17,13 +17,14 @@
 #include "common/Pcsx2Defs.h"
 #include "common/HashCombine.h"
 #include "common/RedtapeWindows.h"
+#include "common/RedtapeWilCom.h"
 #include "common/D3D11/ShaderCompiler.h"
+
 #include <cstdio>
 #include <d3d11.h>
 #include <string_view>
 #include <unordered_map>
 #include <vector>
-#include <wil/com.h>
 
 namespace D3D11
 {
diff --git a/common/D3D11/ShaderCompiler.h b/common/D3D11/ShaderCompiler.h
index 1c50b88e2e..26c6442b92 100644
--- a/common/D3D11/ShaderCompiler.h
+++ b/common/D3D11/ShaderCompiler.h
@@ -14,11 +14,13 @@
  */
 
 #pragma once
+
 #include "common/RedtapeWindows.h"
+#include "common/RedtapeWilCom.h"
+
 #include <d3d11.h>
 #include <string_view>
 #include <type_traits>
-#include <wil/com.h>
 
 namespace D3D11::ShaderCompiler
 {
diff --git a/common/D3D12/Builders.h b/common/D3D12/Builders.h
index 625b1c0706..37356e2c5c 100644
--- a/common/D3D12/Builders.h
+++ b/common/D3D12/Builders.h
@@ -17,10 +17,10 @@
 
 #include "common/Pcsx2Defs.h"
 #include "common/RedtapeWindows.h"
+#include "common/RedtapeWilCom.h"
 
 #include <array>
 #include <d3d12.h>
-#include <wil/com.h>
 
 namespace D3D12
 {
diff --git a/common/D3D12/DescriptorHeapManager.h b/common/D3D12/DescriptorHeapManager.h
index a0edf9822a..875ee6cb5f 100644
--- a/common/D3D12/DescriptorHeapManager.h
+++ b/common/D3D12/DescriptorHeapManager.h
@@ -18,13 +18,13 @@
 #include "common/Pcsx2Defs.h"
 #include "common/HashCombine.h"
 #include "common/RedtapeWindows.h"
+#include "common/RedtapeWilCom.h"
 
 #include <bitset>
 #include <cstring>
 #include <d3d12.h>
 #include <unordered_map>
 #include <vector>
-#include <wil/com.h>
 
 namespace D3D12
 {
diff --git a/common/D3D12/ShaderCache.h b/common/D3D12/ShaderCache.h
index 48f5b9afa9..7befa3436d 100644
--- a/common/D3D12/ShaderCache.h
+++ b/common/D3D12/ShaderCache.h
@@ -18,13 +18,13 @@
 #include "common/Pcsx2Defs.h"
 #include "common/HashCombine.h"
 #include "common/RedtapeWindows.h"
+#include "common/RedtapeWilCom.h"
 
 #include <cstdio>
 #include <d3d12.h>
 #include <string_view>
 #include <unordered_map>
 #include <vector>
-#include <wil/com.h>
 
 namespace D3D12
 {
diff --git a/common/D3D12/StreamBuffer.h b/common/D3D12/StreamBuffer.h
index df371fbd03..4eb467bc43 100644
--- a/common/D3D12/StreamBuffer.h
+++ b/common/D3D12/StreamBuffer.h
@@ -17,11 +17,11 @@
 
 #include "common/Pcsx2Defs.h"
 #include "common/RedtapeWindows.h"
+#include "common/RedtapeWilCom.h"
 
 #include <d3d12.h>
 #include <deque>
 #include <utility>
-#include <wil/com.h>
 
 namespace D3D12MA
 {
diff --git a/common/GL/ContextWGL.cpp b/common/GL/ContextWGL.cpp
index 5e6a73f8eb..a0d2ee3022 100644
--- a/common/GL/ContextWGL.cpp
+++ b/common/GL/ContextWGL.cpp
@@ -20,17 +20,17 @@
 
 static void* GetProcAddressCallback(const char* name)
 {
-	void* addr = wglGetProcAddress(name);
+	void* addr = reinterpret_cast<void*>(wglGetProcAddress(name));
 	if (addr)
 		return addr;
 
 	// try opengl32.dll
-	return ::GetProcAddress(GetModuleHandleA("opengl32.dll"), name);
+	return reinterpret_cast<void*>(::GetProcAddress(GetModuleHandleA("opengl32.dll"), name));
 }
 
 static bool ReloadWGL(HDC dc)
 {
-	if (!gladLoadWGLLoader([](const char* name) -> void* { return wglGetProcAddress(name); }, dc))
+	if (!gladLoadWGLLoader([](const char* name) -> void* { return reinterpret_cast<void*>(wglGetProcAddress(name)); }, dc))
 	{
 		Console.Error("Loading GLAD WGL functions failed");
 		return false;
@@ -208,7 +208,7 @@ namespace GL
 		if (!hDC)
 		{
 			Console.Error("GetDC() failed: 0x%08X", GetLastError());
-			return false;
+			return {};
 		}
 
 		if (!m_pixel_format.has_value())
@@ -218,7 +218,7 @@ namespace GL
 			{
 				Console.Error("ChoosePixelFormat() failed: 0x%08X", GetLastError());
 				::ReleaseDC(hwnd, hDC);
-				return false;
+				return {};
 			}
 
 			m_pixel_format = pf;
@@ -397,7 +397,7 @@ namespace GL
 			}
 
 			// re-init glad-wgl
-			if (!gladLoadWGLLoader([](const char* name) -> void* { return wglGetProcAddress(name); }, m_dc))
+			if (!gladLoadWGLLoader([](const char* name) -> void* { return reinterpret_cast<void*>(wglGetProcAddress(name)); }, m_dc))
 			{
 				Console.Error("Loading GLAD WGL functions failed");
 				return false;
diff --git a/common/Pcsx2Defs.h b/common/Pcsx2Defs.h
index f8c71202ef..1d0eed3c98 100644
--- a/common/Pcsx2Defs.h
+++ b/common/Pcsx2Defs.h
@@ -159,7 +159,7 @@ static constexpr size_t __pagemask = PCSX2_PAGESIZE - 1;
 // Makes sure that if anyone includes xbyak, it doesn't do anything bad
 #define XBYAK_ENABLE_OMITTED_OPERAND
 
-#ifdef __x86_64__
+#if defined(__x86_64__) && !defined(_M_AMD64)
 	#define _M_AMD64
 #endif
 
diff --git a/common/RedtapeWilCom.h b/common/RedtapeWilCom.h
new file mode 100644
index 0000000000..bf398e6f18
--- /dev/null
+++ b/common/RedtapeWilCom.h
@@ -0,0 +1,34 @@
+/*  PCSX2 - PS2 Emulator for PCs
+ *  Copyright (C) 2002-2022  PCSX2 Dev Team
+ *
+ *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
+ *  of the GNU Lesser General Public License as published by the Free Software Found-
+ *  ation, either version 3 of the License, or (at your option) any later version.
+ *
+ *  PCSX2 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 PCSX2.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#ifdef _WIN32
+
+#include "common/RedtapeWindows.h"
+
+// warning : variable 's_hrErrorLast' set but not used [-Wunused-but-set-variable]
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-but-set-variable"
+#endif
+
+#include <wil/com.h>
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+#endif
\ No newline at end of file
diff --git a/common/StackWalker.cpp b/common/StackWalker.cpp
index ce3c5221f9..176ec8f4ab 100644
--- a/common/StackWalker.cpp
+++ b/common/StackWalker.cpp
@@ -566,6 +566,8 @@ private:
           case 8: //SymVirtual:
             szSymType = "Virtual";
             break;
+          default:
+            break;
         }
       }
       LPCSTR pdbName = Module.LoadedImageName;
@@ -1199,9 +1201,12 @@ void StackWalker::OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUser
   OSVERSIONINFOEXA ver;
   ZeroMemory(&ver, sizeof(OSVERSIONINFOEXA));
   ver.dwOSVersionInfoSize = sizeof(ver);
-#if _MSC_VER >= 1900
+#if defined(_MSC_VER) && !defined(__clang__)
 #pragma warning(push)
 #pragma warning(disable : 4996)
+#elif defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
 #endif
   if (GetVersionExA((OSVERSIONINFOA*)&ver) != FALSE)
   {
@@ -1211,8 +1216,10 @@ void StackWalker::OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUser
     buffer[STACKWALK_MAX_NAMELEN - 1] = 0;
     OnOutput(buffer);
   }
-#if _MSC_VER >= 1900
+#if defined(_MSC_VER) && !defined(__clang__)
 #pragma warning(pop)
+#elif defined(__clang__)
+#pragma clang diagnostic pop
 #endif
 }
 
diff --git a/common/VirtualMemory.cpp b/common/VirtualMemory.cpp
index 17b6994507..418a1be5cb 100644
--- a/common/VirtualMemory.cpp
+++ b/common/VirtualMemory.cpp
@@ -187,7 +187,7 @@ static bool VMMMarkPagesAsInUse(std::atomic<bool>* begin, std::atomic<bool>* end
 	for (auto current = begin; current < end; current++)
 	{
 		bool expected = false;
-		if (!current->compare_exchange_strong(expected, true), std::memory_order_relaxed)
+		if (!current->compare_exchange_strong(expected, true, std::memory_order_relaxed))
 		{
 			// This was already allocated!  Undo the things we've set until this point
 			while (--current >= begin)
diff --git a/common/Vulkan/Loader.h b/common/Vulkan/Loader.h
index c767dc0348..039829cca2 100644
--- a/common/Vulkan/Loader.h
+++ b/common/Vulkan/Loader.h
@@ -99,6 +99,7 @@
 #ifdef __clang__
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wnullability-completeness"
+#pragma clang diagnostic ignored "-Wunused-variable"
 #endif
 
 #define VMA_STATIC_VULKAN_FUNCTIONS 1
diff --git a/common/Vulkan/SwapChain.cpp b/common/Vulkan/SwapChain.cpp
index cc7748e69a..043c6de14c 100644
--- a/common/Vulkan/SwapChain.cpp
+++ b/common/Vulkan/SwapChain.cpp
@@ -44,6 +44,8 @@ namespace Vulkan
 		DestroySurface();
 	}
 
+#if 0
+	// Unused for now, can be used for nogui
 	static VkSurfaceKHR CreateDisplaySurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo* wi)
 	{
 		Console.WriteLn("Trying to create a VK_KHR_display surface of %ux%u", wi->surface_width, wi->surface_height);
@@ -253,6 +255,7 @@ namespace Vulkan
 
 		return result;
 	}
+#endif
 
 	VkSurfaceKHR SwapChain::CreateVulkanSurface(VkInstance instance, VkPhysicalDevice physical_device, WindowInfo* wi)
 	{
diff --git a/common/Windows/WinHostSys.cpp b/common/Windows/WinHostSys.cpp
index 1c1771bbb8..6fc236ca98 100644
--- a/common/Windows/WinHostSys.cpp
+++ b/common/Windows/WinHostSys.cpp
@@ -286,8 +286,6 @@ bool SharedMemoryMappingArea::Unmap(void* map_base, size_t map_size)
 	pxAssert(Common::IsAlignedPow2(map_offset, __pagesize));
 	pxAssert(Common::IsAlignedPow2(map_size, __pagesize));
 
-	const size_t page = map_offset / __pagesize;
-
 	// unmap the specified range
 	if (!UnmapViewOfFile2(GetCurrentProcess(), map_base, MEM_PRESERVE_PLACEHOLDER))
 	{
diff --git a/common/emitter/cpudetect.cpp b/common/emitter/cpudetect.cpp
index baee148596..430686860f 100644
--- a/common/emitter/cpudetect.cpp
+++ b/common/emitter/cpudetect.cpp
@@ -46,7 +46,7 @@ using namespace x86Emitter;
 
 alignas(16) x86capabilities x86caps;
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER)
 // We disable optimizations for this function, because we need x86capabilities for AVX
 // detection, but if we keep opts on, it'll use AVX instructions for inlining memzero.
 #pragma optimize("", off)
@@ -70,7 +70,7 @@ x86capabilities::x86capabilities()
 	memzero(VendorName);
 	memzero(FamilyName);
 }
-#ifdef _MSC_VER
+#if defined(_MSC_VER)
 #pragma optimize("", on)
 #endif