show debug info on failure, more error checking

Checking OS versions

.gitignore

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+*.exe
+*.rar
+*.zip
+patch_scripts/aio/COPYING.txt

LICENSE

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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
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+
+                            Preamble
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+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    {one line to give the program's name and a brief idea of what it does.}
+    Copyright (C) {year}  {name of author}
+
+    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/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    {project}  Copyright (C) {year}  {fullname}
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.

README.md

@@ -1,29 +1,28 @@
-### Here's a list of the Windows updates that I will be talking about in this paper:
+### [Click here if you are looking for the latest patch files!](https://github.com/zeffy/kb4012218-19/releases)
 
-Title | Products | Classification | Last Updated | Version | Size
+---
------ | -------- | -------------- | ------------ | ------- | ----
-March, 2017 Preview of Monthly Quality Rollup for Windows 7 ([KB4012218]) | Windows 7 | Updates | 3/16/2017 | n/a | 93.4 MB
-March, 2017 Preview of Monthly Quality Rollup for Windows 7 for x64-based Systems ([KB4012218]) | Windows 7 | Updates | 3/16/2017 | n/a |	153.9 MB
-March, 2017 Preview of Monthly Quality Rollup for Windows Server 2008 R2 x64 Edition ([KB4012218]) | Windows Server 2008 R2 | Updates | 3/16/2017 | n/a | 153.9 MB
-March, 2017 Preview of Monthly Quality Rollup for Windows 8.1 ([KB4012219]) |	Windows 8.1 | Updates | 3/16/2017 | n/a | 121.2 MB
-March, 2017 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems ([KB4012219]) |	Windows 8.1 | Updates | 3/16/2017 | n/a | 218.0 MB
-March, 2017 Preview of Monthly Quality Rollup for Windows Server 2012 R2 ([KB4012219]) | Windows Server 2012 R2 | Updates | 3/16/2017 | n/a | 218.0 MB
 
-## About
+### [Click here for a list of Windows updates supported by this patch](docs/Supported_Updates.md)
 
-After reading [this article](https://www.ghacks.net/2017/03/22/kb4012218-kb4012219-windows-update-processor-generation-detection/) on gHacks, I was inspired to look into these new rollup updates that Microsoft released on March 16. Among other things included in these updates, the changelog mentions the following:
+---
+
+## Preface
+
+After reading [this article on gHacks](https://www.ghacks.net/2017/03/22/kb4012218-kb4012219-windows-update-processor-generation-detection/), I was inspired to look into these new rollup updates that Microsoft released on March 16. Among other things, the changelog mentions the following:
 
 > Enabled detection of processor generation and hardware support when PC tries to scan or download updates through Windows Update.
 
-Which is just Microsoft's nice way of telling everyone who'd rather keep using Windows 7 or 8.1 to fuck themselves. _There have even been people with AMD and Intel systems from 2015 who have reportedly been locked out of Windows Update because of this!_
+This update marked the implementation of a [policy change](https://blogs.windows.com/windowsexperience/2016/01/15/windows-10-embracing-silicon-innovation/) they announced some time ago, where Microsoft stated that they would not be supporting Windows 7 or 8.1 on next-gen Intel, AMD and Qualcomm processors. 
+
+That is essentially a giant middle finger to anyone who dare not "upgrade" to the steaming pile of garbage known as Windows 10. Especially considering the extended support periods for Windows 7 and 8.1 still have a few years left, and will be ending in 2020 and 2024 respectively.
+
+There have even been people with older Intel and AMD systems who have been locked out of Windows Update because of these updates (see [#7](/../../issues/7) and [this](https://answers.microsoft.com/en-us/windows/forum/windows8_1-update/amd-carrizo-ddr4-unsupported-hardware-message-on/f3fb2326-f413-41c9-a24b-7c14e6d51b0c?tab=question&status=AllReplies)).
 
 ## Bad Microsoft!
 
-Well then, time figure out how to fix this garbage.
+I started by downloading the update package for my system (in my case, it was `windows6.1-kb4012218-x64_590943c04550a47c1ed02d3a040d325456f03663.msu`)
 
-I started by downloading the `.msu` package for my system (in my case, it was `windows6.1-kb4012218-x64_590943c04550a47c1ed02d3a040d325456f03663.msu`)
+I extracted it using the command line `expand` tool:
-
-I extracted it using the command line `expand` tool, like this:
 
 ```bat
 md "windows6.1-kb4012218-x64"
@@ -33,33 +32,17 @@ md "Windows6.1-KB4012218-x64"
 expand -f:* ".\Windows6.1-KB4012218-x64.cab" ".\Windows6.1-KB4012218-x64"
 ```
 
-Great, now there's thousands of `.exe` and `.dll` files to sort through! Just kidding. Sort of. Maybe. :thinking:
+Great, now there's thousands of files to sort through! Just kidding. Sort of. Maybe. :thinking:
 
-I ended up using PowerShell to sort through all the binaries, like so:
+I ended up using PowerShell to sort through and filter out all the binaries that weren't related to Windows Update, like so:
 
 ```powershell
 Get-ChildItem -Filter "wu*" -Exclude "*.mui" -Recurse | ForEach-Object { $_.FullName }
 ```
 
-That's narrowed it down quite a bit! This is now what we're looking at:
+That narrowed it down to 14 files, excellent!
 
-- `wu.upgrade.ps.dll`
+Next, I started comparing these binaries with the ones already on my system with [BinDiff] and [Diaphora]. I eventually got to `wuaueng.dll`, which turned up quite a few interesting new functions:
-- `wuapi.dll`
-- `wudriver.dll`
-- `wups.dll`
-- `wuapp.exe`
-- `wuwebv.dll`
-- `wuauclt.exe`
-- `wuaueng.dll`
-- `wups2.dll`
-- `wucltux.dll`
-- `wuapi.dll`
-- `wudriver.dll`
-- `wups.dll`
-- `wuapp.exe`
-- `wuwebv.dll`
-
-Next, I started comparing these binaries with the ones already on my system with [BinDiff] and [Diaphora], starting with `wuauclt.exe`. After turning up empty with that (the two binaries were nearly identical), I decided to take a look at `wuaueng.dll`, which turned up quite a few relevant new functions:
 
 EA | Name | Basicblock | Instructions | Edges 
 -- | ---- | ---------- | ------------ | -----
@@ -100,21 +83,20 @@ EA | Name | Basicblock | Instructions | Edges
 `00000600000832CC` | ``TraceLoggingEnableForTelemetry(_TlgProvider_t const *)`` | 16 | 86 | 23
 `0000060000083210` | ``TraceLoggingSetInformation(_TlgProvider_t const *,_EVENT_INFO_CLASS,void *,ulong)`` | 6 | 50 | 8
 
-We have found culprits,  [`IsDeviceServiceable(void)`](https://gist.github.com/zeffy/e5ec266952932bc905eb0cbc6ed72185) and [`IsCPUSupported(void)`](https://gist.github.com/zeffy/1a8f8984d2bec97ae24af63a76278694)!
+We have found culprits, [`IsDeviceServiceable(void)`](https://gist.github.com/zeffy/e5ec266952932bc905eb0cbc6ed72185) and [`IsCPUSupported(void)`](https://gist.github.com/zeffy/1a8f8984d2bec97ae24af63a76278694)!
 
 ## Solutions
 
-`IsCPUSupported(void)` is only ever called by `IsDeviceServiceable(void)`, which is called by five other functions. Luckily, there are a couple easy ways to kill this CPU check.
+Luckily, there are a couple of different ways to kill this CPU check by patching `wuaueng.dll`.
 
-1. Patch `wuaueng.dll` and change `dword_600002EE948` (see [this line](https://gist.github.com/zeffy/e5ec266952932bc905eb0cbc6ed72185#file-isdeviceserviceable-c-L7)) which is at file offset `0x26C948`, from `0x01` to `0x00`, which makes `IsDeviceServiceable(void)` jump over its entire body and return 1 (supported CPU) immediately. This is my preferred method. **These offsets are only for the Windows 7 x64 version, I will upload `.xdelta` files for all of the other versions eventually. I haven't tested this yet, because I don't want to install this garbage update onto my PC, so it'll take me a while to test everything in a VM.**
+1. Change the value of `dword_600002EE948` (see [this line](https://gist.github.com/zeffy/e5ec266952932bc905eb0cbc6ed72185#file-isdeviceserviceable-c-L7)) which is at file offset `0x26C948`, from `0x01` to `0x00`. This makes `IsDeviceServiceable(void)` skip over the entire CPU check and immediately return the value stored at `dword_600002EE94C`, which by default is 1 (supported CPU). This is my preferred method, as it is a simple 1-byte change. **Note: this offset is only for the KB4012218-x64, for a list of all the patch offsets [click here](docs/Patch_Offsets.md).**
 
-2. Patch `wuaueng.dll` and `nop` out all the instructions highlighted [here](https://gist.github.com/zeffy/e5ec266952932bc905eb0cbc6ed72185#file-isdeviceserviceable-asm-L24-L26) in `IsDeviceServiceable(void)`, this will enable the usage of the `ForceUnsupportedCPU` of type `REG_DWORD` under the registry key `HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Test\Scan` (you will most likely have to create this registry key). Set this value to `0x00000001` to force unsupported CPUs, and back to `0x00000000` to change the behaviour back to default. You will probably need to restart your PC or restart the `wuauserv` service in order for changes to apply. **This behaviour is undocumented and could be removed in future updates.**
+2. Fill all the instructions highlighted [here](https://gist.github.com/zeffy/e5ec266952932bc905eb0cbc6ed72185#file-isdeviceserviceable-asm-L24-L26) in `IsDeviceServiceable(void)` with `nop`s. This will enabling using the `ForceUnsupportedCPU` value of type `REG_DWORD` under the registry key `HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Test\Scan` (you will most likely have to create this registry key). You can set this value to `0x00000001` to force unsupported CPUs, or to `0x00000000` to use the default behaviour. You will probably need to restart your PC or restart the `wuauserv` service in order for changes to apply. **This is an internal testing feature used by Microsoft and could be removed in future updates, so I will not be providing xdelta files for it.**
 
 ## Caveats
 
-The only downside of these solutions is you have to apply a new patch whenever `wuaueng.dll` gets updated.
+- You have to apply a new patch whenever `wuaueng.dll` gets updated.
+- SFC scan errors will most likely occur as it will believe the integrity of the system has been compromised.
 
-[KB4012218]: https://www.catalog.update.microsoft.com/search.aspx?q=kb4012218
-[KB4012219]: https://www.catalog.update.microsoft.com/search.aspx?q=kb4012219
 [BinDiff]: https://www.zynamics.com/software.html
 [Diaphora]: http://diaphora.re

docs/Patch_Offsets.md

@@ -0,0 +1,14 @@
+Hotfix ID | Architecture | wuaueng.dll version | File offset | Original value | Patched value
+--------- | ------------ | ------------------- | ----------- | -------------- | -------------
+KB4012218 | x64 | 7.6.7601.23714 | `0x26C948` | `0x01` | `0x00`
+KB4012218 | x86 | 7.6.7601.23714 | `0x1E4638` | `0x01` | `0x00`
+KB4012219 | x64 | 7.9.9600.18621 | `0x34D3BC` | `0x01` | `0x00`
+KB4012219 | x86 | 7.9.9600.18621 | `0x2BFA50` | `0x01` | `0x00`
+KB4015546 and KB4015549 | x64 | 7.6.7601.23735 | `0x26C948` | `0x01` | `0x00`
+KB4015546 and KB4015549 | x86 | 7.6.7601.23735 | `0x1E4838` | `0x01` | `0x00`
+KB4015547 and KB4015550 | x64 | 7.9.9600.18628 | `0x34D5BC` | `0x01` | `0x00`
+KB4015547 and KB4015550 | x86 | 7.9.9600.18628 | `0x2BFA50` | `0x01` | `0x00`
+KB4015552 | x64 | 7.6.7601.23735 | `0x26C948` | `0x01` | `0x00`
+KB4015552 | x86 | 7.6.7601.23735 | `0x1E4838` | `0x01` | `0x00`
+KB4015553 | x64 | 7.9.9600.18628 | `0x34D5BC` | `0x01` | `0x00`
+KB4015553 | x86 | 7.9.9600.18628 | `0x2BFA50` | `0x01` | `0x00`

docs/Supported_Updates.md

@@ -0,0 +1,35 @@
+Title | Products | Classification | Last Updated | Version | Size
+----- | -------- | -------------- | ------------ | ------- | ----
+March, 2017 Preview of Monthly Quality Rollup for Windows 7 ([KB4012218]) | Windows 7 | Updates | 3/16/2017 | n/a | 93.4 MB
+March, 2017 Preview of Monthly Quality Rollup for Windows 7 for x64-based Systems ([KB4012218]) | Windows 7 | Updates | 3/16/2017 | n/a | 153.9 MB
+March, 2017 Preview of Monthly Quality Rollup for Windows Server 2008 R2 x64 Edition ([KB4012218]) | Windows Server 2008 R2 | Updates | 3/16/2017 | n/a | 153.9 MB
+March, 2017 Preview of Monthly Quality Rollup for Windows 8.1 ([KB4012219]) | Windows 8.1 | Updates | 3/16/2017 | n/a | 121.2 MB
+March, 2017 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems ([KB4012219]) | Windows 8.1 | Updates | 3/16/2017 | n/a | 218.0 MB
+March, 2017 Preview of Monthly Quality Rollup for Windows Server 2012 R2 ([KB4012219]) | Windows Server 2012 R2 | Updates | 3/16/2017 | n/a | 218.0 MB
+April, 2017 Security Only Quality Update for Windows 7 ([KB4015546]) | Windows 7 | Security Updates | 4/8/2017 | n/a | 23.2 MB
+April, 2017 Security Only Quality Update for Windows 7 for x64-based Systems ([KB4015546]) | Windows 7 | Security Updates | 4/8/2017 | n/a | 37.5 MB
+April, 2017 Security Only Quality Update for Windows Server 2008 R2 for x64-based Systems ([KB4015546]) | Windows Server 2008 R2 | Security Updates | 4/8/2017 | n/a | 37.5 MB
+April, 2017 Security Only Quality Update for Windows 8.1 for x64-based Systems ([KB4015547]) | Windows 8.1 | Security Updates | 4/8/2017 | n/a | 15.6 MB
+April, 2017 Security Only Quality Update for Windows 8.1 ([KB4015547]) | Windows 8.1 | Security Updates | 4/8/2017 | n/a | 10.1 MB
+April, 2017 Security Only Quality Update for Windows Server 2012 R2 ([KB4015547]) | Windows Server 2012 R2 | Security Updates | 4/8/2017 | n/a | 15.6 MB
+April, 2017 Security Monthly Quality Rollup for Windows 7 for x64-based Systems ([KB4015549]) | Windows 7 | Security Updates | 4/8/2017 | n/a | 159.9 MB
+April, 2017 Security Monthly Quality Rollup for Windows Server 2008 R2 for x64-based Systems ([KB4015549]) | Windows Server 2008 R2 | Security Updates | 4/8/2017 | n/a | 159.9 MB
+April, 2017 Security Monthly Quality Rollup for Windows 7 ([KB4015549]) | Windows 7 | Security Updates | 4/8/2017 | n/a | 97.6 MB
+April, 2017 Security Monthly Quality Rollup for Windows 8.1 for x64-based Systems ([KB4015550]) | Windows 8.1 | Security Updates | 4/10/2017 | n/a | 220.9 MB
+April, 2017 Security Monthly Quality Rollup for Windows Server 2012 R2 ([KB4015550]) | Windows Server 2012 R2 | Security Updates | 4/10/2017 | n/a | 220.9 MB
+April, 2017 Security Monthly Quality Rollup for Windows 8.1 ([KB4015550]) | Windows 8.1 | Security Updates | 4/10/2017 | n/a | 122.4 MB
+April, 2017 Preview of Monthly Quality Rollup for Windows Server 2008 R2 x64 Edition ([KB4015552]) | Windows Server 2008 R2 | Updates | 4/13/2017 | n/a | 160.9 MB
+April, 2017 Preview of Monthly Quality Rollup for Windows 7 for x64-based Systems ([KB4015552]) | Windows 7 | Updates | 4/13/2017 | n/a | 160.9 MB
+April, 2017 Preview of Monthly Quality Rollup for Windows 7 ([KB4015552]) | Windows 7 | Updates | 4/13/2017 | n/a | 98.1 MB
+April, 2017 Preview of Monthly Quality Rollup for Windows Server 2012 R2 ([KB4015553]) | Windows Server 2012 R2 | Updates | 4/13/2017 | n/a | 224.0 MB
+April, 2017 Preview of Monthly Quality Rollup for Windows 8.1 ([KB4015553]) | Windows 8.1 | Updates | 4/13/2017 | n/a | 124.6 MB
+April, 2017 Preview of Monthly Quality Rollup for Windows 8.1 for x64-based Systems ([KB4015553]) | Windows 8.1 | Updates | 4/13/2017 | n/a | 224.0 MB
+
+[KB4012218]: https://www.catalog.update.microsoft.com/search.aspx?q=kb4012218
+[KB4012219]: https://www.catalog.update.microsoft.com/search.aspx?q=kb4012219
+[KB4015546]: https://www.catalog.update.microsoft.com/search.aspx?q=KB4015546
+[KB4015547]: https://www.catalog.update.microsoft.com/search.aspx?q=KB4015547
+[KB4015549]: https://www.catalog.update.microsoft.com/search.aspx?q=KB4015549
+[KB4015550]: https://www.catalog.update.microsoft.com/search.aspx?q=KB4015550
+[KB4015552]: https://www.catalog.update.microsoft.com/search.aspx?q=KB4015552
+[KB4015553]: https://www.catalog.update.microsoft.com/search.aspx?q=KB4015553

patch_scripts/aio/aio-wuaueng.dll-patch.bat

@@ -0,0 +1,260 @@
+@echo off
+:: Copyright (C) 2017 zeffy <https://github.com/zeffy>
+
+:: 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/>.
+
+echo Copyright (C) 2017 zeffy ^<https://github.com/zeffy^>
+echo This program comes with ABSOLUTELY NO WARRANTY.
+echo This is free software, and you are welcome to redistribute it
+echo under certain conditions; see COPYING.txt for details.
+echo.
+
+net session >nul 2>&1 || (
+    echo This batch script requires administrator privileges. Right-click on
+    echo %~nx0 and select "Run as administrator".
+    goto :die
+)
+
+set "SYSTEM32_DIR=%systemroot%\System32"
+set "WUAUENG_DLL=%SYSTEM32_DIR%\wuaueng.dll"
+
+echo Checking system requirements...
+
+:check_bitness
+if /I "%PROCESSOR_ARCHITECTURE%"=="AMD64" (
+    goto :is_x64
+) else (
+    if /I "%PROCESSOR_ARCHITEW6432%"=="AMD64" (
+        goto :is_x64
+    )
+    if /I "%PROCESSOR_ARCHITECTURE%"=="x86" (
+        set "WINDOWS_ARCHITECTURE=x86"
+        set "XDELTA3_EXE=%~dp0xdelta3-3.0.11-i686.exe"
+        goto :find_xdelta3
+    )
+)
+goto :unsupported_os
+
+:is_x64
+set "WINDOWS_ARCHITECTURE=x64"
+set "XDELTA3_EXE=%~dp0xdelta3-3.0.11-x86_64.exe"
+
+:find_xdelta3
+echo.
+if not exist "%XDELTA3_EXE%" (
+    call :file_not_found "%XDELTA3_EXE%"
+    goto :die
+)
+
+wmic /output:stdout os get version | findstr "^6\.1\." >nul && (
+    set "WINDOWS_VER=6.1"
+    set "SUPPORTED_HOTFIXES=KB4015552 KB4015549 KB4015546 KB4012218"
+    echo Detected supported operating system: Windows 7 %WINDOWS_ARCHITECTURE%
+    goto :check_hotfix
+)
+wmic /output:stdout os get version | findstr "^6\.3\." >nul && (
+    set "WINDOWS_VER=8.1"
+    set "SUPPORTED_HOTFIXES=KB4015553 KB4015550 KB4015547 KB4012219"
+    echo Detected supported operating system: Windows 8.1 %WINDOWS_ARCHITECTURE%
+    goto :check_hotfix
+)
+
+:unsupported_os
+echo Detected that you are using an unsupported operating system.
+echo.
+echo This patch only works on the following versions of Windows:
+echo.
+echo - Windows 7 (x64 and x86)
+echo - Windows 8.1 (x64 and x86)
+echo - Windows Server 2008 R2 (reported as Windows 7 x64)
+echo - Windows Server 2012 R2 (reported as Windows 8.1 x64)
+goto :die
+
+:check_hotfix
+echo.
+for %%a in (%SUPPORTED_HOTFIXES%) do (
+    wmic /output:stdout qfe get hotfixid | find "%%a" >nul && (
+        set "INSTALLED_HOTFIX=%%a"
+        echo Detected installed supported update: %%a
+        goto :confirmation
+    )
+)
+
+echo Detected that no supported updates are installed! If you are getting 
+echo unsupported hardware errors in Windows Update, please create an issue
+echo and I will try to help you out.
+echo.
+echo https://github.com/zeffy/kb4012218-19/issues
+echo.
+call :show_debug_info
+goto :die
+
+:confirmation
+echo.
+echo This patch only works on the following versions of Windows:
+echo.
+echo - Windows 7 (x64 and x86)
+echo - Windows 8.1 (x64 and x86)
+echo - Windows Server 2008 R2 (reported as Windows 7 x64)
+echo - Windows Server 2012 R2 (reported as Windows 8.1 x64)
+echo.
+echo If you have another version of Windows, please close this window immediately.
+echo.
+echo By continuing, you acknowledge that you want to modify wuaueng.dll.
+echo.
+echo I take no responsibility if you somehow ruin your PC with this script.
+echo.
+set /p CONTINUE=Enter 'Y' if you understand, and still want to continue: 
+if /I not "%CONTINUE%"=="Y" goto :cancel
+
+:ask
+echo.
+echo Would you like to install the patch or uninstall it?
+echo.
+echo 1. Install
+echo 2. Uninstall
+echo.
+set /p CHOICE=Enter your choice: 
+if "%CHOICE%"=="1" (
+    set "PATCH_TYPE=patch"
+    goto :begin
+)
+if "%CHOICE%"=="2" (
+    set "PATCH_TYPE=unpatch"
+    goto :begin
+)
+echo Invalid choice, please try again...
+goto :ask
+
+:begin
+echo.
+set "DELTA_FILE=%~dp0patches\Windows%WINDOWS_VER%-%INSTALLED_HOTFIX%-%WINDOWS_ARCHITECTURE%-%PATCH_TYPE%.xdelta"
+if not exist "%DELTA_FILE%" (
+    call :file_not_found "%DELTA_FILE%"
+    goto :die
+)
+call :set_timestamp_var
+set "BACKUP_FILE=%WUAUENG_DLL%_%TIMESTAMP%_before-%PATCH_TYPE%.bak"
+set "ACL_TEMP_FILE=%temp%\wuaueng.dll_acl_%TIMESTAMP%.txt"
+
+net stop wuauserv
+
+takeown /F "%WUAUENG_DLL%" /A
+icacls "%WUAUENG_DLL%" /save "%ACL_TEMP_FILE%"
+
+:: Administrators group SID
+icacls "%WUAUENG_DLL%" /grant *S-1-5-32-544:F
+move "%WUAUENG_DLL%" "%BACKUP_FILE%"
+
+"%XDELTA3_EXE%" -d -s "%BACKUP_FILE%" "%DELTA_FILE%" "%WUAUENG_DLL%"
+if errorlevel 1 (
+    set "THERE_WAS_AN_ERROR=%errorlevel%"
+    move /Y "%BACKUP_FILE%" "%WUAUENG_DLL%"
+)
+
+:: "NT Service\TrustedInstaller" SID
+icacls "%WUAUENG_DLL%" /setowner *S-1-5-80-956008885-3418522649-1831038044-1853292631-2271478464
+icacls "%SYSTEM32_DIR%" /restore "%ACL_TEMP_FILE%"
+
+net start wuauserv
+
+echo.
+if defined THERE_WAS_AN_ERROR (
+    echo There was an error while %PATCH_TYPE%ing. Nothing has been modified. 
+    echo If you didn't screw with the script or anything like that and this
+    echo error was unexpected, please create an issue and include the output
+    echo of this window in your post.
+    echo.
+    echo https://github.com/zeffy/kb4012218-19/issues
+    echo.
+    call :show_debug_info
+) else (
+    echo Successfully %PATCH_TYPE%ed!
+    echo If you want to revert the changes that have been made for whatever
+    echo reason, you can run this script again and pick the other option.
+    echo.
+    echo You can also manually restore the backup file located at 
+    echo '%BACKUP_FILE%'
+    echo by renaming it back to wuaueng.dll, changing the owner back to 
+    echo "NT Service\TrustedInstaller", and restoring the original permissions from 
+    echo '%ACL_TEMP_FILE%'. 
+    echo However, make absolutely sure you only restore the backup that is the same 
+    echo version as the current wuaueng.dll, or you could corrupt the WinSxS component
+    echo store.
+)
+
+:die
+echo.
+echo Press any key to exit...
+pause >nul
+exit
+
+:cancel
+echo.
+echo Canceled by user, press any key to exit...
+pause >nul
+exit
+
+:show_debug_info
+echo Gathering debugging information, please wait...
+call :set_timestamp_var
+set "DEBUG_LOG_FILE=%temp%\%~nx0-debuginfo_%TIMESTAMP%.log"
+
+echo.>"%DEBUG_LOG_FILE%"
+echo ^<details^>>>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+echo ## Operating System>>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+echo ```>>"%DEBUG_LOG_FILE%"
+wmic os get BuildNumber,Caption,MUILanguages,OSArchitecture,OSLanguage,Version /value | findstr /V "^$" >>"%DEBUG_LOG_FILE%"
+echo ```>>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+
+echo ## Installed Hotfixes>>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+echo ```>>"%DEBUG_LOG_FILE%"
+wmic qfe get HotFixID,InstalledOn /value | findstr /V "^$" >>"%DEBUG_LOG_FILE%"
+echo ```>>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+
+echo ## wuaueng.dll Properties>>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+echo ```>>"%DEBUG_LOG_FILE%"
+certutil -hashfile "%WUAUENG_DLL%" MD5 | find /V "CertUtil" >>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+certutil -hashfile "%WUAUENG_DLL%" SHA1 | find /V "CertUtil" >>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+certutil -hashfile "%WUAUENG_DLL%" SHA256 | find /V "CertUtil" >>"%DEBUG_LOG_FILE%"
+echo.>>"%DEBUG_LOG_FILE%"
+
+wmic datafile where "name='%WUAUENG_DLL:\=\\%'" get CreationDate,FileSize,InstallDate,LastAccessed,LastModified,Version /value | findstr /V "^$" >>"%DEBUG_LOG_FILE%"
+echo ```>>"%DEBUG_LOG_FILE%"
+echo ^</details^>>>"%DEBUG_LOG_FILE%"
+
+echo.
+echo Done! Please copy the text from Notepad into your GitHub issue.
+echo Opening log file in 5 seconds...
+timeout /t 5 /nobreak >nul
+start "" notepad "%DEBUG_LOG_FILE%"
+exit /b
+
+:set_timestamp_var
+for /f "delims=" %%a in ('wmic os get localdatetime ^| find "."') do set dt=%%a
+set "TIMESTAMP=%dt:~0,4%-%dt:~4,2%-%dt:~6,2%_%dt:~8,2%-%dt:~10,2%-%dt:~12,2%_%dt:~15,6%"
+exit /b
+
+:file_not_found
+echo File "%~1" not found! 
+echo Make sure you extracted all the files from the release .zip and try again.
+exit /b