diff --git a/Code/Editor/Platform/Windows/Util/Mailer_Windows.cpp b/Code/Editor/Platform/Windows/Util/Mailer_Windows.cpp
index 0b33caed88..a3be4cfd45 100644
--- a/Code/Editor/Platform/Windows/Util/Mailer_Windows.cpp
+++ b/Code/Editor/Platform/Windows/Util/Mailer_Windows.cpp
@@ -28,7 +28,7 @@ bool CMailer::SendMail(const char* subject,
     GetCurrentDirectoryW(sizeof(dir), dir);
 
     // Load MAPI dll
-    HMODULE hMAPILib = LoadLibraryA("MAPI32.DLL");
+    HMODULE hMAPILib = LoadLibraryW(L"MAPI32.DLL");
     LPMAPISENDMAIL lpfnMAPISendMail = (LPMAPISENDMAIL) GetProcAddress(hMAPILib, "MAPISendMail");
 
     int numRecipients  = (int)_recipients.size();
diff --git a/Code/Editor/ProcessInfo.cpp b/Code/Editor/ProcessInfo.cpp
index 87f4f23846..692e5d65ef 100644
--- a/Code/Editor/ProcessInfo.cpp
+++ b/Code/Editor/ProcessInfo.cpp
@@ -41,7 +41,7 @@ void LoadPSApi()
 {
     if (!g_hPSAPI)
     {
-        g_hPSAPI = LoadLibraryA("psapi.dll");
+        g_hPSAPI = LoadLibraryW(L"psapi.dll");
 
         if (g_hPSAPI)
         {
diff --git a/Code/Framework/AzCore/Platform/Windows/AzCore/Platform_Windows.cpp b/Code/Framework/AzCore/Platform/Windows/AzCore/Platform_Windows.cpp
index dc675cd931..cc45b36c41 100644
--- a/Code/Framework/AzCore/Platform/Windows/AzCore/Platform_Windows.cpp
+++ b/Code/Framework/AzCore/Platform/Windows/AzCore/Platform_Windows.cpp
@@ -31,8 +31,8 @@ namespace AZ
                 // Query the machine guid generated at install time by windows, which is generated from
                 // hardware signatures. This guid is not enough, because images (AWS) may duplicate this,
                 // so include the hostname/username as well
-                TCHAR machineInfo[MAX_COMPUTERNAME_LENGTH + 1024] = { 0 };
-                ret = RegOpenKeyExA(HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Cryptography", 0, KEY_QUERY_VALUE, &key);
+                wchar_t machineInfo[MAX_COMPUTERNAME_LENGTH + 1024] = { 0 };
+                ret = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Cryptography", 0, KEY_QUERY_VALUE, &key);
                 if (ret == ERROR_SUCCESS)
                 {
                     DWORD dataType = REG_SZ;
@@ -45,17 +45,17 @@ namespace AZ
                     AZ_Error("System", false, "Failed to open HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography\\MachineGuid!")
                 }
 
-                TCHAR* hostname = machineInfo + wcslen(machineInfo);
+                wchar_t* hostname = machineInfo + wcslen(machineInfo);
                 // salt the guid time with ComputerName/UserName
                 DWORD  bufCharCount = DWORD(sizeof(machineInfo) - (hostname - machineInfo));
-                if (!::GetComputerName(hostname, &bufCharCount))
+                if (!::GetComputerNameW(hostname, &bufCharCount))
                 {
                     AZ_Error("System", false, "GetComputerName filed with code %d", GetLastError());
                 }
 
-                TCHAR* username = hostname + wcslen(hostname);
+                wchar_t* username = hostname + wcslen(hostname);
                 bufCharCount = DWORD(sizeof(machineInfo) - (username - machineInfo));
-                if( !GetUserName( username, &bufCharCount ) ) 
+                if(!GetUserNameW(username, &bufCharCount)) 
                 {
                     AZ_Error("System",false,"GetUserName filed with code %d",GetLastError());
                 }