11 files changed, 15 insertions, 561 deletions

diff --git a/src/engine/apply.cpp b/src/engine/apply.cpp
index 7c47ba75..55141ef9 100644
--- a/src/engine/apply.cpp
+++ b/src/engine/apply.cpp
@@ -1509,26 +1509,13 @@ static HRESULT DownloadPayload(
     cacheCallback.pfnCancel = NULL; // TODO: set this
     cacheCallback.pv = pProgress;
    
-    // If the protocol is specially marked, "bits" let's use that.
-    if (L'b' == pDownloadSource->sczUrl[0] &&
-        L'i' == pDownloadSource->sczUrl[1] &&
-        L't' == pDownloadSource->sczUrl[2] &&
-        L's' == pDownloadSource->sczUrl[3] &&
-        (L':' == pDownloadSource->sczUrl[4] || (L's' == pDownloadSource->sczUrl[4] && L':' == pDownloadSource->sczUrl[5]))
-        )
-    {
-        hr = BitsDownloadUrl(&cacheCallback, pDownloadSource, wzDestinationPath);
-    }
-    else // wininet handles everything else.
-    {
-        authenticationData.pUX = pProgress->pUX;
-        authenticationData.wzPackageOrContainerId = wzPackageOrContainerId;
-        authenticationData.wzPayloadId = wzPayloadId;
-        authenticationCallback.pv =  static_cast<LPVOID>(&authenticationData);
-        authenticationCallback.pfnAuthenticate = &AuthenticationRequired;
+    authenticationData.pUX = pProgress->pUX;
+    authenticationData.wzPackageOrContainerId = wzPackageOrContainerId;
+    authenticationData.wzPayloadId = wzPayloadId;
+    authenticationCallback.pv =  static_cast<LPVOID>(&authenticationData);
+    authenticationCallback.pfnAuthenticate = &AuthenticationRequired;
         
-        hr = DownloadUrl(pDownloadSource, qwDownloadSize, wzDestinationPath, &cacheCallback, &authenticationCallback);
-    }
+    hr = DownloadUrl(pDownloadSource, qwDownloadSize, wzDestinationPath, &cacheCallback, &authenticationCallback);
     ExitOnFailure(hr, "Failed attempt to download URL: '%ls' to: '%ls'", pDownloadSource->sczUrl, wzDestinationPath);
 
 LExit:
diff --git a/src/engine/bitsengine.cpp b/src/engine/bitsengine.cpp
deleted file mode 100644
index b8093b77..00000000
--- a/src/engine/bitsengine.cpp
+++ /dev/null
@@ -1,505 +0,0 @@
-// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
-
-#include "precomp.h"
-
-// const
-
-const DWORD BITSENGINE_NO_PROGRESS_TIMEOUT = 2 * 60;
-const DWORD BITSENGINE_MSG_WAIT_TIMEOUT = 1;
-
-// functions
-
-static HRESULT CreateJob(
-    __out IBackgroundCopyJob** ppJob
-    );
-static HRESULT SetCredentials(
-    __in IBackgroundCopyJob* pJob,
-    __in_z_opt LPCWSTR wzUser,
-    __in_z_opt LPCWSTR wzPassword
-    );
-static void SendError(
-    __in DOWNLOAD_CACHE_CALLBACK* pCacheCallback,
-    __in IBackgroundCopyJob* pJob,
-    __in HRESULT hrError,
-    __in BG_ERROR_CONTEXT context,
-    __out_opt BOOL* pfRetry
-    );
-
-
-// class
-
-class CBurnBitsCallback : public IBackgroundCopyCallback
-{
-public: // IUnknown
-    virtual STDMETHODIMP QueryInterface(
-        __in const IID& riid,
-        __out void** ppvObject
-        )
-    {
-        HRESULT hr = S_OK;
-
-        ExitOnNull(ppvObject, hr, E_INVALIDARG, "Invalid argument ppvObject");
-        *ppvObject = NULL;
-
-        if (::IsEqualIID(__uuidof(IBackgroundCopyCallback), riid))
-        {
-            *ppvObject = static_cast<IBackgroundCopyCallback*>(this);
-        }
-        else if (::IsEqualIID(IID_IUnknown, riid))
-        {
-            *ppvObject = reinterpret_cast<IUnknown*>(this);
-        }
-        else // no interface for requested iid
-        {
-            ExitFunction1(hr = E_NOINTERFACE);
-        }
-
-        AddRef();
-
-    LExit:
-        return hr;
-    }
-
-    virtual STDMETHODIMP_(ULONG) AddRef()
-    {
-        return ::InterlockedIncrement(&this->m_cReferences);
-    }
-
-    virtual STDMETHODIMP_(ULONG) Release()
-    {
-        long l = ::InterlockedDecrement(&this->m_cReferences);
-        if (0 < l)
-        {
-            return l;
-        }
-
-        delete this;
-        return 0;
-    }
-
-public: // IBackgroundCopyCallback
-    virtual STDMETHODIMP JobTransferred(
-        __in IBackgroundCopyJob* pJob
-        )
-    {
-        HRESULT hr = S_OK;
-
-        hr = SendProgress(pJob);
-        ExitOnFailure(hr, "Failure while sending progress during BITS job transferred.");
-
-    LExit:
-        if (FAILED(hr))
-        {
-            ProcessResult(BG_ERROR_CONTEXT_NONE, hr);
-        }
-        else
-        {
-            ::SetEvent(m_hComplete);
-        }
-
-        return S_OK; // must return S_OK otherwise BITS just keeps calling back.
-    }
-
-    virtual STDMETHODIMP JobError(
-        __in IBackgroundCopyJob* /*pJob*/,
-        __in IBackgroundCopyError* pError
-        )
-    {
-        HRESULT hr = S_OK;
-        BG_ERROR_CONTEXT context = BG_ERROR_CONTEXT_NONE;
-        HRESULT hrError = S_OK;
-
-        hr = pError->GetError(&context, &hrError);
-        ExitOnFailure(hr, "Failed to get error context.");
-
-        if (SUCCEEDED(hrError))
-        {
-            hr = E_UNEXPECTED;
-        }
-
-    LExit:
-        ProcessResult(context, FAILED(hrError) ? hrError : hr);
-
-        return S_OK; // must return S_OK otherwise BITS just keeps calling back.
-    }
-
-    virtual STDMETHODIMP JobModification(
-        __in IBackgroundCopyJob* pJob,
-        __in DWORD /*dwReserved*/
-        )
-    {
-        HRESULT hr = S_OK;
-        BG_JOB_STATE state = BG_JOB_STATE_ERROR;
-
-        ::EnterCriticalSection(&m_cs);
-
-        hr = pJob->GetState(&state);
-        ExitOnFailure(hr, "Failed to get state during job modification.");
-
-        // If we're actually downloading stuff, let's send progress.
-        if (BG_JOB_STATE_TRANSFERRING == state)
-        {
-            hr = SendProgress(pJob);
-            ExitOnFailure(hr, "Failure while sending progress during BITS job modification.");
-        }
-
-    LExit:
-        ::LeaveCriticalSection(&m_cs);
-
-        ProcessResult(BG_ERROR_CONTEXT_NONE, hr);
-
-        return S_OK; // documentation says to always return S_OK
-    }
-
-public:
-    void Reset()
-    {
-        m_hrError = S_OK;
-        m_contextError = BG_ERROR_CONTEXT_NONE;
-
-        ::ResetEvent(m_hComplete);
-    }
-
-    HRESULT WaitForCompletion(
-        __in IBackgroundCopyJob* pJob
-        )
-    {
-        HRESULT hr = S_OK;
-        HANDLE rghEvents[1] = { m_hComplete };
-        MSG msg = { };
-        BOOL fMessageProcessed = FALSE;
-
-        do
-        {
-            fMessageProcessed = FALSE;
-
-            switch (::MsgWaitForMultipleObjects(countof(rghEvents), rghEvents, FALSE, BITSENGINE_MSG_WAIT_TIMEOUT * 1000, QS_ALLINPUT))
-            {
-            case WAIT_OBJECT_0:
-                break;
-
-            case WAIT_OBJECT_0 + 1:
-                ::PeekMessageW(&msg, NULL, 0, 0, PM_NOREMOVE);
-                fMessageProcessed = TRUE;
-                break;
-
-            case WAIT_TIMEOUT:
-                // Call the progress callback periodically if we are not transferring to ensure that cancelling is responsive
-                // (progress callback is also handles cancelling).  Note that if we are transferring, IBackgroundCopyCallback
-                // methods handle progress/cancelling.  If we are not transferring, the IBackgroundCopyCallback methods may
-                // not be called until the job times out (minutes for a foreground job, weeks for a background job).
-                SendProgressIfNotTransferring(pJob);
-                fMessageProcessed = TRUE;
-                break;
-
-            default:
-                ExitWithLastError(hr, "Failed while waiting for download.");
-            }
-        } while (fMessageProcessed);
-
-    LExit:
-        return hr;
-    }
-
-    void GetError(
-        __out HRESULT* pHR,
-        __out BG_ERROR_CONTEXT* pContext
-        )
-    {
-        *pHR = m_hrError;
-        *pContext = m_contextError;
-    }
-
-private:
-    HRESULT SendProgress(
-        __in IBackgroundCopyJob* pJob
-        )
-    {
-        HRESULT hr = S_OK;
-        BG_JOB_PROGRESS progress = { };
-
-        if (m_pCallback && m_pCallback->pfnProgress)
-        {
-            hr = pJob->GetProgress(&progress);
-            ExitOnFailure(hr, "Failed to get progress when BITS job was transferred.");
-
-            hr = CacheSendProgressCallback(m_pCallback, progress.BytesTransferred, progress.BytesTotal, INVALID_HANDLE_VALUE);
-            ExitOnFailure(hr, "Failed to send progress from BITS job.");
-        }
-
-    LExit:
-        return hr;
-    }
-
-    void SendProgressIfNotTransferring(
-        __in IBackgroundCopyJob* pJob
-        )
-    {
-        HRESULT hr = S_OK;
-        BG_JOB_STATE state = BG_JOB_STATE_ERROR;
-
-        ::EnterCriticalSection(&m_cs);
-
-        hr = pJob->GetState(&state);
-        ExitOnFailure(hr, "Failed to get BITS job state.");
-
-        if (BG_JOB_STATE_TRANSFERRING != state)
-        {
-            hr = SendProgress(pJob);
-            ExitOnFailure(hr, "Failure while sending progress.");
-        }
-
-    LExit:
-        ::LeaveCriticalSection(&m_cs);
-
-        ProcessResult(BG_ERROR_CONTEXT_NONE, hr);
-    }
-
-    void ProcessResult(
-        __in BG_ERROR_CONTEXT context,
-        __in HRESULT hr
-        )
-    {
-        if (FAILED(hr))
-        {
-            m_contextError = context;
-            m_hrError = hr;
-
-            ::SetEvent(m_hComplete);
-        }
-    }
-
-public:
-    CBurnBitsCallback(
-        __in_opt DOWNLOAD_CACHE_CALLBACK* pCallback,
-        __out HRESULT* pHR
-        )
-    {
-        HRESULT hr = S_OK;
-
-        m_cReferences = 1;
-        ::InitializeCriticalSection(&m_cs);
-
-        m_hComplete = ::CreateEventW(NULL, TRUE, FALSE, NULL);
-        ExitOnNullWithLastError(m_hComplete, hr, "Failed to create BITS job complete event.");
-
-        m_contextError = BG_ERROR_CONTEXT_NONE;
-        m_hrError = S_OK;
-
-        m_pCallback = pCallback;
-
-    LExit:
-        *pHR = hr;
-    }
-
-    ~CBurnBitsCallback()
-    {
-        m_pCallback = NULL;
-        ReleaseHandle(m_hComplete);
-        ::DeleteCriticalSection(&m_cs);
-    }
-
-private:
-    long m_cReferences;
-    CRITICAL_SECTION m_cs;
-    BG_ERROR_CONTEXT m_contextError;
-    HRESULT m_hrError;
-
-    HANDLE m_hComplete;
-    DOWNLOAD_CACHE_CALLBACK* m_pCallback;
-};
-
-
-extern "C" HRESULT BitsDownloadUrl(
-    __in DOWNLOAD_CACHE_CALLBACK* pCallback,
-    __in DOWNLOAD_SOURCE* pDownloadSource,
-    __in_z LPCWSTR wzDestinationPath
-    )
-{
-    HRESULT hr = S_OK;
-    LPWSTR sczDownloadUrl = NULL;
-    CBurnBitsCallback* pBitsCallback = NULL;
-    IBackgroundCopyJob* pJob = NULL;
-    BOOL fRetry = FALSE;
-    BG_ERROR_CONTEXT contextError = BG_ERROR_CONTEXT_NONE;
-
-    // If the URL isn't at least 8 characters long (e.g.: "bits://X") then it
-    // isn't going to do us any good.
-    if (8 > lstrlenW(pDownloadSource->sczUrl))
-    {
-        hr = E_INVALIDARG;
-        ExitOnRootFailure(hr, "Invalid BITS engine URL: %ls", pDownloadSource->sczUrl);
-    }
-
-    // Fix the URL to be "http" instead of "bits".
-    hr = StrAllocString(&sczDownloadUrl, pDownloadSource->sczUrl, 0);
-    ExitOnFailure(hr, "Failed to copy download URL.");
-
-    sczDownloadUrl[0] = L'h';
-    sczDownloadUrl[1] = L't';
-    sczDownloadUrl[2] = L't';
-    sczDownloadUrl[3] = L'p';
-
-    // Create and configure the BITS job.
-    hr = CreateJob(&pJob);
-    ExitOnFailure(hr, "Failed to create BITS job.");
-
-    hr = SetCredentials(pJob, pDownloadSource->sczUser, pDownloadSource->sczPassword);
-    ExitOnFailure(hr, "Failed to set credentials for BITS job.");
-
-    hr = pJob->AddFile(sczDownloadUrl, wzDestinationPath);
-    ExitOnFailure(hr, "Failed to add file to BITS job.");
-
-    // Set the callback into the BITs job.
-    pBitsCallback = new CBurnBitsCallback(pCallback, &hr);
-    ExitOnNull(pBitsCallback, hr, E_OUTOFMEMORY, "Failed to create BITS job callback.");
-    ExitOnFailure(hr, "Failed to initialize BITS job callback.");
-
-    hr = pJob->SetNotifyInterface(pBitsCallback);
-    ExitOnFailure(hr, "Failed to set callback interface for BITS job.");
-
-    // Go into our retry download loop.
-    do
-    {
-        fRetry = FALSE;
-
-        pBitsCallback->Reset(); // ensure we are ready for the download to start (again?).
-
-        hr = pJob->Resume();
-        ExitOnFailure(hr, "Falied to start BITS job.");
-
-        hr = pBitsCallback->WaitForCompletion(pJob);
-        ExitOnFailure(hr, "Failed while waiting for BITS download.");
-
-        // See if there are any errors.
-        pBitsCallback->GetError(&hr, &contextError);
-        if (HRESULT_FROM_WIN32(ERROR_INSTALL_USEREXIT) == hr)
-        {
-            ExitFunction();
-        }
-        else if (FAILED(hr))
-        {
-            SendError(pCallback, pJob, hr, contextError, &fRetry);
-        }
-    } while (fRetry);
-    ExitOnFailure(hr, "Failed to download BITS job.");
-
-    // After all that, we should have the file downloaded so complete the job to get
-    // the file copied to the destination.
-    hr = pJob->Complete();
-    ExitOnFailure(hr, "Failed to complete BITS job.");
-
-LExit:
-    if (pJob)
-    {
-        pJob->SetNotifyInterface(NULL);
-
-        // If we failed, kill the job.
-        if (FAILED(hr))
-        {
-            pJob->Cancel(); // TODO: should we cancel if we're going to retry the package? Probably the right thing to do.
-        }
-    }
-
-    ReleaseObject(pBitsCallback);
-    ReleaseObject(pJob);
-    ReleaseStr(sczDownloadUrl);
-
-    return hr;
-}
-
-static HRESULT CreateJob(
-    __out IBackgroundCopyJob** ppJob
-    )
-{
-    HRESULT hr = S_OK;
-    IBackgroundCopyManager* pBitsManager = NULL;
-    IBackgroundCopyJob* pJob = NULL;
-    GUID guidJob = { };
-
-    hr = ::CoCreateInstance(__uuidof(BackgroundCopyManager), NULL, CLSCTX_ALL, __uuidof(IBackgroundCopyManager), reinterpret_cast<LPVOID*>(&pBitsManager));
-    ExitOnFailure(hr, "Failed to create IBackgroundCopyManager.");
-
-    hr = pBitsManager->CreateJob(L"WixBurn", BG_JOB_TYPE_DOWNLOAD, &guidJob, &pJob);
-    ExitOnFailure(hr, "Failed to create BITS job.");
-
-    hr = pJob->SetNotifyFlags(BG_NOTIFY_JOB_TRANSFERRED | BG_NOTIFY_JOB_ERROR | BG_NOTIFY_JOB_MODIFICATION);
-    ExitOnFailure(hr, "Failed to set notification flags for BITS job.");
-
-    hr = pJob->SetNoProgressTimeout(BITSENGINE_NO_PROGRESS_TIMEOUT); // use 2 minutes since default is 14 days.
-    ExitOnFailure(hr, "Failed to set progress timeout.");
-
-    hr = pJob->SetPriority(BG_JOB_PRIORITY_FOREGROUND);
-    ExitOnFailure(hr, "Failed to set BITS job to foreground.");
-
-    *ppJob = pJob;
-    pJob = NULL;
-
-LExit:
-    ReleaseObject(pJob);
-    ReleaseObject(pBitsManager);
-
-    return hr;
-}
-
-static HRESULT SetCredentials(
-    __in IBackgroundCopyJob* pJob,
-    __in_z_opt LPCWSTR wzUser,
-    __in_z_opt LPCWSTR wzPassword
-    )
-{
-    HRESULT hr = S_OK;
-    IBackgroundCopyJob2* pJob2 = NULL;
-    BG_AUTH_CREDENTIALS ac = { };
-
-    // If IBackgroundCopyJob2::SetCredentials() is supported, set the username/password.
-    hr = pJob->QueryInterface(IID_PPV_ARGS(&pJob2));
-    if (SUCCEEDED(hr))
-    {
-        ac.Target = BG_AUTH_TARGET_PROXY;
-        ac.Credentials.Basic.UserName = const_cast<LPWSTR>(wzUser);
-        ac.Credentials.Basic.Password = const_cast<LPWSTR>(wzPassword);
-
-        ac.Scheme = BG_AUTH_SCHEME_NTLM;
-        hr = pJob2->SetCredentials(&ac);
-        ExitOnFailure(hr, "Failed to set background copy NTLM credentials");
-
-        ac.Scheme = BG_AUTH_SCHEME_NEGOTIATE;
-        hr = pJob2->SetCredentials(&ac);
-        ExitOnFailure(hr, "Failed to set background copy negotiate credentials");
-    }
-
-    hr = S_OK;
-
-LExit:
-    ReleaseObject(pJob2);
-
-    return hr;
-}
-
-static void SendError(
-    __in DOWNLOAD_CACHE_CALLBACK* pCacheCallback,
-    __in IBackgroundCopyJob* pJob,
-    __in HRESULT hrError,
-    __in BG_ERROR_CONTEXT /*context*/,
-    __out_opt BOOL* pfRetry
-    )
-{
-    HRESULT hr = S_OK;
-    IBackgroundCopyError* pError = NULL;
-    LPWSTR pszErrorDescription = NULL;
-
-    hr = pJob->GetError(&pError);
-    if (SUCCEEDED(hr))
-    {
-        pError->GetErrorDescription(LANGIDFROMLCID(::GetThreadLocale()), &pszErrorDescription);
-    }
-
-    CacheSendErrorCallback(pCacheCallback, hrError, pszErrorDescription, pfRetry);
-
-    if (pszErrorDescription)
-    {
-        ::CoTaskMemFree(pszErrorDescription);
-    }
-    ReleaseObject(pError);
-}
diff --git a/src/engine/bitsengine.h b/src/engine/bitsengine.h
deleted file mode 100644
index b1c1d805..00000000
--- a/src/engine/bitsengine.h
+++ /dev/null
@@ -1,23 +0,0 @@
-#pragma once
-// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// structs
-
-
-// functions
-
-HRESULT BitsDownloadUrl(
-    __in DOWNLOAD_CACHE_CALLBACK* pCallback,
-    __in DOWNLOAD_SOURCE* pDownloadSource,
-    __in LPCWSTR wzDestinationPath
-    );
-
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/src/engine/engine.vcxproj b/src/engine/engine.vcxproj
index bc724a40..a6ab60df 100644
--- a/src/engine/engine.vcxproj
+++ b/src/engine/engine.vcxproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props')" />
+  <Import Project="..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props')" />
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -45,7 +45,6 @@
   <ItemGroup>
     <ClCompile Include="apply.cpp" />
     <ClCompile Include="approvedexe.cpp" />
-    <ClCompile Include="bitsengine.cpp" />
     <ClCompile Include="burnextension.cpp" />
     <ClCompile Include="detect.cpp" />
     <ClCompile Include="embedded.cpp" />
@@ -90,7 +89,6 @@
   <ItemGroup>
     <ClInclude Include="apply.h" />
     <ClInclude Include="approvedexe.h" />
-    <ClInclude Include="bitsengine.h" />
     <ClInclude Include="..\WixToolset.BootstrapperCore.Native\inc\BootstrapperApplication.h" />
     <ClInclude Include="..\WixToolset.BootstrapperCore.Native\inc\BootstrapperEngine.h" />
     <ClInclude Include="..\WixToolset.BootstrapperCore.Native\inc\BundleExtension.h" />
@@ -167,7 +165,7 @@ rc.exe -fo "$(OutDir)engine.res" "$(IntDir)engine.messages.rc"</Command>
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props'))" />
+    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props'))" />
     <Error Condition="!Exists('..\..\packages\Nerdbank.GitVersioning.3.3.37\build\Nerdbank.GitVersioning.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Nerdbank.GitVersioning.3.3.37\build\Nerdbank.GitVersioning.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/src/engine/packages.config b/src/engine/packages.config
index 102b8bee..ad6df168 100644
--- a/src/engine/packages.config
+++ b/src/engine/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Nerdbank.GitVersioning" version="3.3.37" targetFramework="native" developmentDependency="true" />
-  <package id="WixToolset.DUtil" version="4.0.61" targetFramework="native" />
+  <package id="WixToolset.DUtil" version="4.0.62" targetFramework="native" />
 </packages>
\ No newline at end of file
diff --git a/src/engine/precomp.h b/src/engine/precomp.h
index 1b3e9bdc..4f8e9d46 100644
--- a/src/engine/precomp.h
+++ b/src/engine/precomp.h
@@ -4,7 +4,6 @@
 
 #include <windows.h>
 #include <aclapi.h>
-#include <Bits.h>
 
 #include <math.h>
 #include <msiquery.h>
@@ -96,7 +95,6 @@
 #include "manifest.h"
 #include "splashscreen.h"
 #include "uithread.h"
-#include "bitsengine.h"
 #include "netfxchainer.h"
 
 #include "externalengine.h"
diff --git a/src/stub/packages.config b/src/stub/packages.config
index 3b161457..1c027b04 100644
--- a/src/stub/packages.config
+++ b/src/stub/packages.config
@@ -4,5 +4,5 @@
   <package id="Microsoft.SourceLink.Common" version="1.0.0" targetFramework="native" developmentDependency="true" />
   <package id="Microsoft.SourceLink.GitHub" version="1.0.0" targetFramework="native" developmentDependency="true" />
   <package id="Nerdbank.GitVersioning" version="3.3.37" targetFramework="native" developmentDependency="true" />
-  <package id="WixToolset.DUtil" version="4.0.61" targetFramework="native" />
+  <package id="WixToolset.DUtil" version="4.0.62" targetFramework="native" />
 </packages>
\ No newline at end of file
diff --git a/src/stub/stub.vcxproj b/src/stub/stub.vcxproj
index f4d34d1d..f9a7b5a9 100644
--- a/src/stub/stub.vcxproj
+++ b/src/stub/stub.vcxproj
@@ -5,7 +5,7 @@
   <Import Project="..\..\packages\Microsoft.SourceLink.GitHub.1.0.0\build\Microsoft.SourceLink.GitHub.props" Condition="Exists('..\..\packages\Microsoft.SourceLink.GitHub.1.0.0\build\Microsoft.SourceLink.GitHub.props')" />
   <Import Project="..\..\packages\Microsoft.SourceLink.Common.1.0.0\build\Microsoft.SourceLink.Common.props" Condition="Exists('..\..\packages\Microsoft.SourceLink.Common.1.0.0\build\Microsoft.SourceLink.Common.props')" />
   <Import Project="..\..\packages\Microsoft.Build.Tasks.Git.1.0.0\build\Microsoft.Build.Tasks.Git.props" Condition="Exists('..\..\packages\Microsoft.Build.Tasks.Git.1.0.0\build\Microsoft.Build.Tasks.Git.props')" />
-  <Import Project="..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props')" />
+  <Import Project="..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props')" />
 
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -117,6 +117,6 @@
     <Error Condition="!Exists('..\..\packages\Microsoft.SourceLink.GitHub.1.0.0\build\Microsoft.SourceLink.GitHub.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.SourceLink.GitHub.1.0.0\build\Microsoft.SourceLink.GitHub.props'))" />
     <Error Condition="!Exists('..\..\packages\Microsoft.SourceLink.GitHub.1.0.0\build\Microsoft.SourceLink.GitHub.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Microsoft.SourceLink.GitHub.1.0.0\build\Microsoft.SourceLink.GitHub.targets'))" />
     <Error Condition="!Exists('..\..\packages\Nerdbank.GitVersioning.3.3.37\build\Nerdbank.GitVersioning.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Nerdbank.GitVersioning.3.3.37\build\Nerdbank.GitVersioning.targets'))" />
-    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props'))" />
+    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/src/test/BurnUnitTest/BurnUnitTest.vcxproj b/src/test/BurnUnitTest/BurnUnitTest.vcxproj
index 62e58942..08dc68e7 100644
--- a/src/test/BurnUnitTest/BurnUnitTest.vcxproj
+++ b/src/test/BurnUnitTest/BurnUnitTest.vcxproj
@@ -4,7 +4,7 @@
 
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="..\..\..\packages\WixBuildTools.TestSupport.Native.4.0.47\build\WixBuildTools.TestSupport.Native.props" Condition="Exists('..\..\..\packages\WixBuildTools.TestSupport.Native.4.0.47\build\WixBuildTools.TestSupport.Native.props')" />
-  <Import Project="..\..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props" Condition="Exists('..\..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props')" />
+  <Import Project="..\..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props" Condition="Exists('..\..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props')" />
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|ARM64">
       <Configuration>Debug</Configuration>
@@ -95,6 +95,6 @@
     </PropertyGroup>
     <Error Condition="!Exists('..\..\..\packages\WixBuildTools.TestSupport.Native.4.0.47\build\WixBuildTools.TestSupport.Native.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\WixBuildTools.TestSupport.Native.4.0.47\build\WixBuildTools.TestSupport.Native.props'))" />
     <Error Condition="!Exists('..\..\..\packages\WixBuildTools.TestSupport.Native.4.0.47\build\WixBuildTools.TestSupport.Native.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\WixBuildTools.TestSupport.Native.4.0.47\build\WixBuildTools.TestSupport.Native.targets'))" />
-    <Error Condition="!Exists('..\..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\WixToolset.DUtil.4.0.61\build\WixToolset.DUtil.props'))" />
+    <Error Condition="!Exists('..\..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\packages\WixToolset.DUtil.4.0.62\build\WixToolset.DUtil.props'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/src/test/BurnUnitTest/packages.config b/src/test/BurnUnitTest/packages.config
index e3e97259..a35dfe1f 100644
--- a/src/test/BurnUnitTest/packages.config
+++ b/src/test/BurnUnitTest/packages.config
@@ -10,5 +10,5 @@
   <package id="xunit.runner.visualstudio" version="2.4.1" />
   <package id="WixBuildTools.TestSupport" version="4.0.47" />
   <package id="WixBuildTools.TestSupport.Native" version="4.0.47" />
-  <package id="WixToolset.DUtil" version="4.0.61" targetFramework="native" />
+  <package id="WixToolset.DUtil" version="4.0.62" targetFramework="native" />
 </packages>
\ No newline at end of file
diff --git a/src/test/BurnUnitTest/precomp.h b/src/test/BurnUnitTest/precomp.h
index a5db1555..d2b57d61 100644
--- a/src/test/BurnUnitTest/precomp.h
+++ b/src/test/BurnUnitTest/precomp.h
@@ -67,7 +67,6 @@
 #include "embedded.h"
 #include "manifest.h"
 #include "splashscreen.h"
-#include "bitsengine.h"
 #include "detect.h"
 
 #pragma managed