diff --git a/Sources/Plasma/CoreLib/CMakeLists.txt b/Sources/Plasma/CoreLib/CMakeLists.txt
index 5535b2ef07..6b9e04c62c 100644
--- a/Sources/Plasma/CoreLib/CMakeLists.txt
+++ b/Sources/Plasma/CoreLib/CMakeLists.txt
@@ -35,6 +35,7 @@ set(CoreLib_SOURCES
     plLoadMask.cpp
     plProduct.cpp
     plViewTransform.cpp
+    hsWindows.cpp
 )
 
 if(WIN32 AND NOT CYGWIN)
diff --git a/Sources/Plasma/CoreLib/HeadSpin.cpp b/Sources/Plasma/CoreLib/HeadSpin.cpp
index 0646355f48..715c804dfc 100644
--- a/Sources/Plasma/CoreLib/HeadSpin.cpp
+++ b/Sources/Plasma/CoreLib/HeadSpin.cpp
@@ -567,30 +567,3 @@ std::vector<ST::string> DisplaySystemVersion()
 #endif
     return versionStrs;
 }
-
-#ifdef HS_BUILD_FOR_WIN32
-static RTL_OSVERSIONINFOEXW s_WinVer;
-
-const RTL_OSVERSIONINFOEXW& hsGetWindowsVersion()
-{
-    static bool done = false;
-    if (!done) {
-        memset(&s_WinVer, 0, sizeof(RTL_OSVERSIONINFOEXW));
-        HMODULE ntdll = LoadLibraryW(L"ntdll.dll");
-        hsAssert(ntdll, "Failed to LoadLibrary on ntdll???");
-
-        if (ntdll) {
-            s_WinVer.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
-            typedef LONG(WINAPI* RtlGetVersionPtr)(RTL_OSVERSIONINFOEXW*);
-            RtlGetVersionPtr getVersion = (RtlGetVersionPtr)GetProcAddress(ntdll, "RtlGetVersion");
-            hsAssert(getVersion, "Could not find RtlGetVersion in ntdll");
-            if (getVersion) {
-                getVersion(&s_WinVer);
-                done = true;
-            }
-        }
-        FreeLibrary(ntdll);
-    }
-    return s_WinVer;
-}
-#endif
diff --git a/Sources/Plasma/CoreLib/hsWindows.cpp b/Sources/Plasma/CoreLib/hsWindows.cpp
new file mode 100644
index 0000000000..f2f3a8f544
--- /dev/null
+++ b/Sources/Plasma/CoreLib/hsWindows.cpp
@@ -0,0 +1,89 @@
+/*==LICENSE==*
+
+CyanWorlds.com Engine - MMOG client, server and tools
+Copyright (C) 2011  Cyan Worlds, Inc.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Additional permissions under GNU GPL version 3 section 7
+
+If you modify this Program, or any covered work, by linking or
+combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
+NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
+JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
+(or a modified version of those libraries),
+containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
+PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
+JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
+licensors of this Program grant you additional
+permission to convey the resulting work. Corresponding Source for a
+non-source form of such a combination shall include the source code for
+the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
+work.
+
+You can contact Cyan Worlds, Inc. by email legal@cyan.com
+ or by snail mail at:
+      Cyan Worlds, Inc.
+      14617 N Newport Hwy
+      Mead, WA   99021
+
+*==LICENSE==*/
+
+#ifdef HS_BUILD_FOR_WIN32
+
+#include "hsWindows.h"
+
+class hsCOMInit
+{
+public:
+    hsCOMInit()
+    {
+        HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
+        hsAssert(SUCCEEDED(hr), "COM failed to init???");
+    }
+
+    ~hsCOMInit()
+    {
+        CoUninitialize();
+    }
+} s_COMInit;
+
+// =============================================================================
+
+static RTL_OSVERSIONINFOEXW s_WinVer;
+
+const RTL_OSVERSIONINFOEXW& hsGetWindowsVersion()
+{
+    static bool done = false;
+    if (!done) {
+        memset(&s_WinVer, 0, sizeof(RTL_OSVERSIONINFOEXW));
+        HMODULE ntdll = LoadLibraryW(L"ntdll.dll");
+        hsAssert(ntdll, "Failed to LoadLibrary on ntdll???");
+
+        if (ntdll) {
+            s_WinVer.dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
+            typedef LONG(WINAPI* RtlGetVersionPtr)(RTL_OSVERSIONINFOEXW*);
+            RtlGetVersionPtr getVersion = (RtlGetVersionPtr)GetProcAddress(ntdll, "RtlGetVersion");
+            hsAssert(getVersion, "Could not find RtlGetVersion in ntdll");
+            if (getVersion) {
+                getVersion(&s_WinVer);
+                done = true;
+            }
+        }
+        FreeLibrary(ntdll);
+    }
+    return s_WinVer;
+}
+
+#endif
diff --git a/Sources/Plasma/PubUtilLib/plAudio/plAudioEndpointVolume.cpp b/Sources/Plasma/PubUtilLib/plAudio/plAudioEndpointVolume.cpp
index 4724302ca5..c738bcc252 100644
--- a/Sources/Plasma/PubUtilLib/plAudio/plAudioEndpointVolume.cpp
+++ b/Sources/Plasma/PubUtilLib/plAudio/plAudioEndpointVolume.cpp
@@ -54,21 +54,6 @@ extern ST::string kDefaultDeviceMagic;
 #include <propsys.h>
 #include <functiondiscoverykeys_devpkey.h>
 
-class hsCOMInit
-{
-public:
-    hsCOMInit()
-    {
-        HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
-        hsAssert(SUCCEEDED(hr), "COM failed to init???");
-    }
-
-    ~hsCOMInit()
-    {
-        CoUninitialize();
-    }
-} s_COMInit;
-
 class plWinCoreAudioEndpointVolume : public plAudioEndpointVolume
 {
     IMMDevice* fDevice;