Fix Windows 10 upgrade assistant stuck at 99%: 的问题： Windows 10 周年更新^{(Anniversary Update)}终于可以下载了，数百万人同时下载此更新显然会产生一些问题。一个这样的问题是Windows 10 升级助手^{(Upgrade Assistant)}在下载更新时卡在 99%，不浪费时间让我们看看如何解决这个问题。

修复 Windows 10 升级助手卡在 99%

修复^(Fix)Windows 10 升级助手卡在 99%

方法一：手动禁用 Windows 10 更新^{(Method 1: Disable Windows 10 update manually)}

注意：^{(Note: )}确保^(Make)升级助手正在运行

1.在Windows搜索栏中键入services.msc，然后右键单击并选择以管理员身份运行。

服务窗口

2.现在在列表中找到Windows更新服务^{(Windows update services)}并右键单击它，然后选择停止。

停止 Windows 更新服务

3.再次右键单击并选择属性。

4.现在将启动类型^{(startup type)}设置为手动^(Manual)。

将 Windows 更新启动类型设置为手动

5.确认更新服务已停止后关闭 services.msc。

6.再次尝试运行Windows 10升级助手，这一次就可以了。

方法 2：删除 Windows 更新缓存^{(Method 2: Delete Windows Update Cache)}

1.如果您遇到Windows ^{(Windows 10)}10^{(Windows 10)}周年更新，请重新启动 Windows 10。

2.右键单击^(Click)Windows按钮并选择Command Promot^{(Command Promot)} ( Admin )^(Admin)。

具有管理员权限的命令提示符

3.现在在cmd中输入以下内容并在每个之后按回车：

净停止位^{(net stop bits)}
净停止 wuauserv^{(net stop wuauserv)}

净停止位和净停止 wuauserv

4.退出命令提示符^{(Command Prompt)}并转到以下文件夹： C:\Windows\

5.搜索文件夹 SoftwareDistribution，然后将其复制并粘贴到您的桌面上以进行备份。

6.导航到 C:\Windows\SoftwareDistribution\并删除该文件夹中的所有内容。
注意：不要删除文件夹本身。

删除 softwaredistribution 文件夹中的所有内容

7.最后，重启你的电脑，看看你是否能够 Fix Windows 10 upgrade assistant stuck at 99% issue.

方法 3：使用媒体创建工具更新^{(Method 3: Updating using the Media Creation Tool)}

1.从这里下载媒体创建工具。^{(Download the Media Creation Tool from here.)}

2.双击安装文件启动工具。

3.按照屏幕上的说明进行操作，直到进入Windows 10 安装程序^(Setup)。

4.选择立即升级此PC，然后单击下一步^(Next)。

使用媒体创建工具升级此 PC

5.下载完成后，点击接受^(Accept)同意条款和条件。

6.确保您已选择默认选择的安装程序中保留个人文件和应用程序。^{(Keep personal files)}

7.如果没有，请单击设置中的“更改要保留^{(Change what to keep)}的内容”链接以更改设置。

8.单击安装开始Windows 10 周年更新^{(Windows 10 anniversary update)}。

方法四：修复Windows 10升级助手^{(Upgrade Assistant)}卡在99%【新方法^{(New Method)}】

1.按Windows Key + E打开文件资源管理器，然后在^{(File Explorer)}文件资源管理器^{(File Explorer)}的地址栏中键入 C:$ GetCurrent并按Enter。

2.下一步，点击查看^(View)，然后点击文件资源管理器^{(File Explorer)}中的选项。切换到查看^(View)选项卡并选中“显示隐藏的文件、文件夹或驱动程序^{(Show hidden files, folders, or drivers)}”。

显示隐藏文件和操作系统文件

3.单击应用，然后单击确定。

4.现在将Media文件夹从 C :\$GetCurrent to desktop.复制^(Copy)并粘贴到桌面。

5.重新启动您的 PC，然后打开文件资源管理器^{(File Explorer)}并导航到 C:$ GetCurrent。

6.接下来，将Media^(Media)文件夹从桌面复制并粘贴 desktop to C:\$GetCurrent.

7.打开媒体^(Media)文件夹并双击安装文件。

8.在“获取重要更新^{(Get important updates)}”屏幕上，选择现在不^{(Not right now)}，然后单击下一步。

在获取重要更新屏幕上，选择现在不，然后单击下一步

9.按照屏幕上的说明完成设置。完成后，按Windows Key + I 打开设置^(Settings)，然后导航到Update & security > Windows Update > Check for updates.

单击 Windows Update 下的检查更新

为你推荐：^{(Recommended for you:)}

启动 Windows 10 时不显示系统图标^{(System icons do not appear when you start Windows 10)}
修复 Google Chrome 中无法访问此站点的错误^{(Fix This site can’t be reached error in Gooogle Chrome)}
修复系统线程异常未处理错误 Windows 10^{(Fix System Thread Exception Not Handled Error Windows 10)}
如何修复自动修复无法修复您的电脑^{(How to fix Automatic Repair couldn’t repair your PC)}

如果上述方法对您不起作用，请再次转到 services.msc 并右键单击它以禁用它。重新启动您的 PC 并确保禁用Windows更新，然后再次尝试运行Windows 10升级助手或更好地使用媒体创建工具^{(Media Creation Tool)}。

就是这样，您已成功Fix Windows 10 upgrade assistant stuck at 99%问题，但如果您对这篇文章仍有任何疑问，请随时在评论中提问。如果您的家人和朋友仍然面临此问题，请分享此帖子以帮助他们。

Fix Windows 10 upgrade assistant stuck at 99%

Fix Windows 10 upgrade assistant stuck at 99%: The Windows 10 Anniversary Update is finally ready for download and millions of people simultaneously downloading this update is obviously going to create some problems. One such problem is Windows 10 Upgrade Assistant stuck at 99% while downloading the update, without wasting time let’s see how to fix this issue.

Method 1: Disable Windows 10 update manually

Note: Make sure the upgrade assistant is running

1.Type services.msc in the Windows search bar, then right click and select run as administrator.

services windows

2.Now locate Windows update services in the list and right-click on it, then select stop.

stop windows update services

3.Again right click and select Properties.

4.Now set the startup type to Manual.

set windows update startup type to manual

5.Close services.msc after verifying that the update services has stopped.

6.Again try to run Windows 10 upgrade assistant and this time it will work.

Method 2: Delete Windows Update Cache

1.Restart Windows 10 if you are stuck at the Windows 10 anniversary update.

2.Right Click on Windows button and select Command Promot (Admin).

command prompt with admin rights

3.Now type the following in the cmd and press enter after each one:

net stop bits
net stop wuauserv

net stop bits and net stop wuauserv

4.Exit Command Prompt and go the following folder: C:\Windows\

5.Search for the folder SoftwareDistribution, then copy it and paste it on your desktop for backup purpose.

6.Navigate to C:\Windows\SoftwareDistribution\ and delete everything inside that folder.
Note: Don’t delete the folder itself.

delete everything inside softwaredistribution folder

7.Finally, reboot your PC and see if you’re able to Fix Windows 10 upgrade assistant stuck at 99% issue.

Method 3: Updating using the Media Creation Tool

1.Download the Media Creation Tool from here.

2.Double-click on the setup file to launch the tool.

3.Follow on screen instruction until you get to Windows 10 Setup.

4.Select Upgrade this PC now and click Next.

upgrade this PC using media creation tool

5.When the download is finished, click Accept to agree to terms and conditions.

6.Make sure you have selected Keep personal files and apps in the installer which is selected by default.

7.If not then click on “Change what to keep” link in the setup to change the settings.

8.Click Install to begin the Windows 10 anniversary update.

Method 4: Fix Windows 10 Upgrade Assistant is stuck at 99% [New Method]

1.Press Windows Key + E to open File Explorer then type C:\$GetCurrent in the address bar of File Explorer and hit Enter.

2.Next, click on View then click on Options from File Explorer. Switch to View tab and checkmark “Show hidden files, folders, or drivers“.

show hidden files and operating system files

3.Click Apply followed by Ok.

4.Now Copy and paste the Media folder from C:\$GetCurrent to desktop.

5.Reboot your PC, then open File Explorer and navigate to C:\$GetCurrent.

6.Next, copy and paste the Media folder from the desktop to C:\$GetCurrent.

7.Open the Media folder and double-click on setup file.

8.On “Get important updates” screen, select Not right now and then click on Next.

On Get important updates screen, select Not right now and then click on Next

9.Follow the on-screen instructions to complete the setup. Once finished, press Windows Key + I to open Settings then navigate to Update & security > Windows Update > Check for updates.

click check for updates under Windows Update

Recommended for you:

If above doesn’t work for you then again go to services.msc and right click on it to disable it. Restart your PC and make sure Windows update is disable then again try to run the Windows 10 upgrade assistant or better use Media Creation Tool.

That’s it you have successfully Fix Windows 10 upgrade assistant stuck at 99% issue but if you still have any question regarding this post feel free to ask them in comments. Share this post to help your family and friends if they are still facing this issue.

晖方

About the author

我是一名免费软件开发人员和 Windows Vista/7 倡导者。我已经写了数百篇关于操作系统相关主题的文章，包括提示和技巧、修复指南和最佳实践。我还通过我的公司 Help Desk Services 提供与办公室相关的咨询服务。我对 Office 365 的工作原理、功能以及如何最有效地使用它们有着深刻的理解。

修复 Windows 10 升级助手卡在 99%

修复^(Fix)Windows 10 升级助手卡在 99%

方法一：手动禁用 Windows 10 更新^{(Method 1: Disable Windows 10 update manually)}

方法 2：删除 Windows 更新缓存^{(Method 2: Delete Windows Update Cache)}

方法 3：使用媒体创建工具更新^{(Method 3: Updating using the Media Creation Tool)}

方法四：修复Windows 10升级助手^{(Upgrade Assistant)}卡在99%【新方法^{(New Method)}】

Fix Windows 10 upgrade assistant stuck at 99%