Steam是一个非常流行的下载、安装和玩视频游戏的平台。它还在平台本身上提供游戏流媒体和社交网络服务。一些游戏玩家使用这个平台玩游戏并与其他游戏玩家和社区交流，以完全增强游戏体验。但是，有时您可能会注意到Steam上缺少下载的文件。下载的 Steam 文件丢失的原因有很多，您将在Steam错误上获得修复丢失下载文件的错误。在本文中，您将找到此问题的解决方案，并了解如何在Steam上恢复丢失的下载文件。继续阅读以正确理解和实施给定的方法来解决这些问题。

修复 Steam 上的丢失下载文件错误

如何在 Windows 10 中修复 Steam 上丢失的下载文件错误^{(How to Fix Missing Downloaded Files Error on Steam in Windows 10)}

在您的系统上发生丢失下载文件Steam错误的一些原因是：

下载的游戏文件可能会被Windows Defender损坏^{( game files might get corrupted by the)} 。
此外，如果文件由于系统上的任何类型的恶意软件或病毒^{(malware or viruses)}而损坏，则可能会发生此错误。
有时，安装在系统上的防病毒软件可以免除一些下载的文件^{(Antivirus installed on a system can exempt some downloaded files)}，这些文件最终可能会丢失。
如果您的系统在下载或安装过程中^(process)关闭^{(system got turned off during the download or installation)} ，那么您之后可能会发现此错误出现在您的系统上。

当您阅读时，这些原因以及其他几个原因可能会造成复杂情况并向您呈现错误。继续阅读以通过以下方法解决此修复在Steam错误上丢失下载的文件错误。^(Steam)

方法一：以管理员身份运行 Steam^{(Method 1: Run Steam as Administrator)}

通过以管理员身份运行Steam ，您将允许它下载、编写和修改您系统上的^(Steam)Steam文件。这将使Steam拥有足够的权限来访问没有管理员就无法访问的文件。请按照以下步骤执行相同操作。

1. 右键单击  Steam.exe 文件并选择属性^(Properties)。

选择属性。修复 Steam 上的丢失下载文件错误

2. 转到 兼容性^{(Compatibility)} 选项卡并选中 以管理员身份运行此程序^{(Run this program as an administrator)} 选项。

从兼容性菜单中选择以管理员身份运行选项

3. 最后，单击应用^(Apply) > 确定^(OK) 以保存更改。

单击应用和确定按钮。修复 Steam 上的丢失下载文件错误

另请阅读：^{(Also Read:)} 如何对朋友隐藏 Steam 活动^{(How to Hide Steam Activity from Friends)}

方法 2：修复 Steam 库文件夹^{(Method 2: Repair Steam Library Folders)}

要修复可能损坏的文件，您可以尝试修复Steam库文件夹。它将从库中检测损坏的文件并修复它们，这最终将修复Steam上丢失的下载文件错误。要了解如何在Steam上恢复丢失的下载文件，请仔细阅读并按照以下步骤操作。

1. 按Windows 键^{(Windows key)}，输入Steam，然后点击打开^(Open)。

输入 Steam 并单击右侧窗格中的打开

2. 点击左上角的Steam选项，如下图所示。^(Steam)

单击左上角的 Steam 选项。修复 Steam 上的丢失下载文件错误

3.从菜单选项中单击设置。^(Settings)

单击菜单选项中的设置

4. 在设置^(Settings)窗口中，单击内容库^{(Content Libraries)}部分下的Downloads > STEAM LIBRARY FOLDERS，如下图所示。

蒸汽图书馆文件夹。修复 Steam 上的丢失下载文件错误

5. 在存储管理器^{(Storage Manager)}窗口中，点击Steam文件夹旁边的三点图标^{(three-dotted icon)}，如下图所示。

在存储管理器窗口中，单击 Steam 文件夹旁边的三个虚线图标

6. 单击修复文件夹^{(Repair Folder)}选项。

单击修复文件夹选项。修复 Steam 上的丢失下载文件错误

7.用户帐户控制^{(User Account Control)}弹出窗口将出现在您的屏幕上，说明您要允许此应用程序对您的设备进行更改吗？^{(Do you want to allow this app to make changes to your device?)}单击是^(Yes)选项。

8. 片刻之后，Steam库文件夹将得到修复，然后单击关闭^(Close)。

片刻之后，Steam 库文件夹将得到修复

方法三：清除下载缓存^{(Method 3: Clear Download Cache)}

有时，下载后损坏的游戏会在下载缓存文件夹中留下痕迹，这会导致更新和下载过程进一步中断。您可以清除下载缓存以解决问题。

1. 打开Steam应用程序并进入设置^(Settings)，如方法 2^{(Method 2)}所示。

2. 在下载^(Downloads)部分，单击清除下载缓存^{(CLEAR DOWNLOAD CACHE)}选项。

在下载部分，单击清除下载缓存选项

3.在如下弹出窗口中单击确定以完成该过程。^(OK)

在如下弹出窗口中单击“确定”，完成该过程。修复 Steam 上的丢失下载文件错误

另请阅读：^{(Also Read: )}修复 Steam 无法打开问题的 12 种方法^{(12 Ways to Fix Steam Won’t Open Issue)}

方法 4：暂时禁用防病毒软件（如果适用）^{(Method 4: Disable Antivirus Temporarily (If Applicable))}

有时，系统上安装的防病毒软件可能会将下载的 Steam 游戏文件识别为威胁。这将导致它隔离、修改甚至从系统中删除文件，以防止进一步的损坏。由于防病毒软件可以检测到未知的游戏文件并将其称为威胁，因此您必须检查这些文件是否在隔离列表中，或者您可以暂时禁用防病毒软件以查找原因。为此，请阅读我们关于如何在 Windows 10 上临时禁用防病毒软件^{(How to Disable Antivirus Temporarily on Windows 10)}的指南。通过阅读本文，您将了解如何在短时间内禁用设备上的防病毒软件并修复丢失的下载文件Steam错误。

暂时禁用防病毒软件

方法五：验证游戏文件的完整性^{(Method 5: Verify Integrity of Game File)}

如果下载过程因任何原因中断，文件可能会损坏，并且您会收到丢失下载的文件Steam错误。要验证您下载的文件的完整性以确保下载成功，请仔细执行以下步骤：

1.从Windows Search启动Steam应用程序。

2. 单击下面突出显示的LIBRARY选项。^(LIBRARY)

单击库选项。修复 Steam 上的丢失下载文件错误

3. 如下图所示，从左窗格中选择并右键单击所需的游戏，然后单击属性^(Properties)选项。

如下图所示，从左窗格中选择并右键单击所需的游戏，然后单击“属性”选项

4. 现在，单击左窗格中的LOCAL FILES选项，如下所示。

现在，单击左窗格中的 LOCAL FILES 选项。修复 Steam 上的丢失下载文件错误

5. 点击验证演示文件的完整性...^{(Verify integrity of demo files…)}，如下图所示。

5. 点击验证演示文件的完整性...

6. 片刻之后，游戏文件将成功验证^{(successfully validated)}，表明下载的文件完好无损。

片刻后，游戏文件将成功验证，表明下载的文件完好无损

另请阅读：^{(Also Read:)} 修复 Steam 认为游戏正在运行问题的 5 种方法^{(5 Ways to Fix Steam Thinks Game is Running Issue)}

方法六：重装游戏^{(Method 6: Reinstall Game)}

如果您仍然无法修复Steam上的丢失下载文件错误，请考虑重新安装文件丢失的游戏。请按照以下步骤执行此方法：

1. 进入Steam应用程序中的LIBRARY，如方法 5^{(Method 5)}所示。

2. 右键单击左侧窗格中所需的游戏，然后单击Manage > Uninstall，如下所示。

选择管理然后卸载

3.再次单击卸载^(Uninstall)确认弹出窗口。

再次单击“卸载”确认弹出窗口

上述任何一种方法都可能对您有用并解决丢失的下载文件Steam错误。

受到推崇的：^{(Recommended:)}

我如何在 Verizon 客户服务部找人^{(How Do I Get a Human at Verizon Customer Service)}
修复 Minecraft 连接超时没有更多信息错误^{(Fix Minecraft Connection Timed Out No Further Information Error)}
修复 Windows 10 中的 Steam 缺少文件权限^{(Fix Steam Missing File Privileges in Windows 10)}
修复 Steam 必须运行才能在 Windows 10 中玩此游戏^{(Fix Steam Must be Running to Play This Game in Windows 10)}

因此，这些是修复 Steam 上丢失的下载文件错误^{(fix missing downloaded files error on Steam)}的方法。我们希望您能够通过上述步骤了解如何在 Steam 上恢复丢失的下载文件。请^(Feel)随时通过下面的评论部分与我们联系，提出您的疑问和建议。

Fix Missing Downloaded Files Error on Steam

Ѕteam is a very popular platform to download, install and play video games. It also provides game streаming and sоcial netwоrkіng services on the platform itself. Several gamers use this plаtform to play games and communicate with the other gamers and communities to augment the gaming experience altogether. However, sometimеs you may have noticed missing downloadеd files on Steam. Thеre are numerouѕ reasons why the downloaded steam files will go missing, and you will get thе fix missing downloaded files error оn Steam еrror. In this аrticle, уou will find sоlutions to this prоblem аnd also get to know how to restore missing downloaded files on Steam. Keep reading further to understand and implement the given methods correctly to fix these issυes.

How to Fix Missing Downloaded Files Error on Steam in Windows 10

Some of the reasons for missing downloaded files Steam error to occur on your system are:

The downloaded game files might get corrupted by the Windows Defender.
Also, this error can occur if the files are corrupted due to any kind of malware or viruses on your system.
Occasionally, Antivirus installed on a system can exempt some downloaded files, which can eventually get missing.
If your system got turned off during the download or installation process, then you may find this error appearing on your system afterward.

As you read, these reasons, amongst other several ones, may create complications and present you with the error. Read on to resolve this fix missing downloaded files error on Steam error by following methods.

Method 1: Run Steam as Administrator

By running Steam as an administrator, you will allow it to download, write, and modify the Steam files on your system. It will result in Steam having enough privileges to access files that aren’t accessible without an administrator. Follow the steps below to do the same.

1. Right-click on the Steam.exe file and select Properties.

Select Properties. Fix Missing Downloaded Files Error on Steam

2. Go to the Compatibility tab and check the Run this program as an administrator option.

Select the Run as Administrator option from the Compatibility menu

3. Finally, click on Apply > OK to save changes.

click the Apply and OK buttons. Fix Missing Downloaded Files Error on Steam

Also Read: How to Hide Steam Activity from Friends

Method 2: Repair Steam Library Folders

To repair the possible corrupted files, you can try to repair the Steam library folders. It will detect the corrupted files from the library and repair them, which will eventually fix missing downloaded files error on Steam. To know how to restore missing downloaded files on Steam, read and follow the steps below carefully.

1. Hit the Windows key, type Steam, and click on Open.

Type Steam and click Open on the right pane

2. Click the Steam option from the top left corner, as shown below.

Click the Steam option from the top left corner. Fix Missing Downloaded Files Error on Steam

3. Click on Settings from the menu options.

Click on Settings from the menu options

4. From the Settings window, click Downloads > STEAM LIBRARY FOLDERS under the Content Libraries section as depicted below.

STEAM LIBRARY FOLDERS. Fix Missing Downloaded Files Error on Steam

5. In the Storage Manager window, click the three-dotted icon next to the Steam folder, as shown below.

In the Storage Manager window, click the three dotted icon next to the Steam folder

6. Click the Repair Folder option.

Click the Repair Folder option. Fix Missing Downloaded Files Error on Steam

7. The User Account Control pop-up will emerge on your screen stating Do you want to allow this app to make changes to your device? Click on the Yes option.

8. After a few moments, the Steam library folder will get repaired, then click on Close.

After a few moments, the Steam library folder will get repaired

Method 3: Clear Download Cache

Sometimes corrupted games after downloading leave traces in the download cache folder which causes further interruptions in updating and downloading processes. You can clear the download cache to fix the issue.

1. Open the Steam application and go to the Settings as illustrated in Method 2.

2. In the Downloads section, click the CLEAR DOWNLOAD CACHE option.

In the Downloads section, click the CLEAR DOWNLOAD CACHE option

3. Click OK in the following pop-up as shown below to complete the process.

Click OK in the following pop up as shown below to complete the process. Fix Missing Downloaded Files Error on Steam

Also Read: 12 Ways to Fix Steam Won’t Open Issue

Method 4: Disable Antivirus Temporarily (If Applicable)

Sometimes, the antivirus installed on your system may identify the downloaded steam game files as a threat. And this will lead to it quarantining, modifying, or even deleting the file from the system to prevent further damage. As an antivirus software can detect the unknown game files and term them as a threat, you will have to check if those files are on the quarantine list or you can disable the antivirus temporarily to find the root of the cause. To do that, read our guide on How to Disable Antivirus Temporarily on Windows 10. By reading this, you will know how to disable the antivirus on your device for a short period and get the missing downloaded files Steam error fixed.

Disable Antivirus Temporarily

Method 5: Verify Integrity of Game File

If the download process gets interrupted for any reason, the files may get corrupted and you get the missing downloaded files Steam error. To verify the integrity of the file that you have downloaded to make sure the download was successful, follow the step below carefully:

1. Launch the Steam application from Windows Search.

2. Click on the LIBRARY option as highlighted below.

Click the LIBRARY option. Fix Missing Downloaded Files Error on Steam

3. Select and right-click the desired game from the left pane as depicted below and click the Properties option.

Select and right-click the desired game from the left pane as depicted below and click the Properties option

4. Now, click the LOCAL FILES option from the left pane as shown below.

Now, click the LOCAL FILES option from the left pane. Fix Missing Downloaded Files Error on Steam

5. Click on Verify integrity of demo files… as illustrated below.

5. Click on Verify integrity of demo files...

6. After a few moments, the game files will get successfully validated indicating that the downloaded file is intact and not corrupted.

After a few moments, the game files will get successfully validated indicating that the downloaded file is intact and not corrupted

Also Read: 5 Ways to Fix Steam Thinks Game is Running Issue

Method 6: Reinstall Game

If you still couldn’t fix missing downloaded files error on Steam, then consider reinstalling the game whose files are missing. Follow the upcoming steps to perform this method:

1. Go to the LIBRARY in the Steam application as shown in Method 5.

2. Right-click on the desired game from the left pane and click Manage > Uninstall as shown below.

select Manage then Uninstall

3. Confirm the pop-up window by clicking Uninstall once again.

Confirm the pop up window by clicking Uninstall once again

Any of the above-mentioned methods may work for you and resolve the missing downloaded files Steam error.

Recommended:

So, these were the methods to fix missing downloaded files error on Steam. We hope you were able to learn how to restore missing downloaded files on Steam with the help of the steps mentioned. Feel free to reach out to us with your queries and suggestions via the comments section below.

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