当您尝试在 Steam 客户端中启动游戏^{(try to launch a game in your Steam client)}时，Steam 会出现“缺少文件权限”错误。虽然您看到此错误的最常见原因是英特尔的内置图形模块干扰客户端，但还有其他原因。我们将向您展示如何在您的计算机上解决此问题。

您收到上述错误的其他原因包括Steam没有运行所需的权限、您的游戏库已损坏、Steam的下载缓存有问题、您的防病毒软件阻止了您对游戏的访问等等。

^{(Run Steam)}在Windows 10/11上以管理员权限^{(Administrator Privileges)}运行 Steam

修复 Steam 的“缺少文件权限”错误的一种方法是以管理员身份运行应用程序^{(running the app as an admin)}。当您执行此操作时，Steam将获得在 Windows PC 上充分运行所需的所有权限。

使用管理员权限启动应用程序可以解决几乎所有与权限相关的问题。

1. 右键单击Steam桌面快捷方式并选择以管理员身份运行^(Run)。

1. ^{(Choose Yes)}在用户帐户控制提示中^{(User Account Control)}选择是。
2. 在应用程序中运行您的游戏。

如果Steam在管理员模式下成功启动您的游戏，请确保Windows始终以管理员权限打开Steam 。以下是如何做到这一点。

1. 右键单击Steam桌面快捷方式并选择“属性”。
2. 打开“属性”^(Properties)中的“兼容性”^{(Compatibility)}选项卡。
3. 打开以管理员身份运行此程序选项。^(Run)

1. 选择“应用”^{(Select Apply)}，然后选择底部的“确定”。

从现在开始，当您使用桌面快捷方式运行应用程序时，Steam将始终以管理员权限启动。^(Steam)请注意，如果您从其他位置（例如“开始”^(Start)菜单）打开应用程序，则此更改将不适用。

禁用 Intel 的 igfxEM模块^(Module)进程

英特尔的 igfxEM 模块^{(Intel’s igfxEM Module)}进程有时会干扰 Steam 的功能，从而阻止应用程序启动您的游戏。您可以使用 PC 的任务管理器^{(Task Manager)}实用程序禁用此过程并解决您的问题。

1. 右键单击^{(Right-click)}“开始^(Start)”菜单图标并选择“任务管理器”^{(Task Manager)}。
2. 右键单击进程列表中的“igfxEM Module” ，然后选择^(Module)“结束^(End)任务”。

1. 在您的 PC 上重新启动 Steam。

^{(Resolve Steam Missing File Privileges Issue)}通过清除下载缓存^{(Download Cache)}解决 Steam 丢失文件权限问题

Steam显示“缺少文件权限”错误，因为应用程序的下载缓存已损坏。该公司建议当您在下载^{(trouble downloading)}或启动游戏时遇到问题时清除此缓存。

删除下载缓存不会删除您下载的游戏或 Steam 应用程序中的游戏进度。但是，清除缓存后，您必须重新登录 Steam 帐户。

1. 在您的计算机上启动 Steam。
2. Select Steam > Settings在菜单栏中 选择 Steam > 设置。
3. 选择^{(Choose Downloads)}左侧边栏中的“下载”。
4. 选择右侧窗格中的清除下载缓存。^{(Clear Download Cache)}

1. 在提示中选择“确定”。

修复 Steam 库文件夹

Steam 使用您计算机上的特定文件夹来存储您下载的游戏内容。此游戏库文件夹可能已损坏并且无法启动您的游戏。

幸运的是，Steam有一个内置工具可以修复损坏的游戏库。以下是如何使用该功能。

1. 打开Steam并在菜单栏中 选择Steam > Settings
2. 选择^{(Select Downloads)}左侧的“下载”和右侧的 “Steam 库文件夹” 。^{(Steam Library Folders)}
3. 选择库文件夹旁边的三个点，然后选择“修复库”^{(Repair Library)}。

1. 在用户帐户控制^{(User Account Control)}提示中选择是^(Yes)。
2. ^{(Choose Done)}当Steam完成游戏库修复 后，选择“完成” 。

验证Steam 游戏文件^{(Your Steam Game Files)}的完整性^(Integrity)

您可能无法启动Steam 游戏^{(your Steam game)}，因为您的游戏文件已被更改。多种因素都可能导致这种情况，包括病毒和第三方恶意应用程序。

在这种情况下，您可以使用Steam内置的完整性检查器来检查您的游戏文件是否完好。

1. 打开Steam并选择“库”^(Library)以查看您的游戏。
2. 右键单击列表中有问题的游戏，然后选择“属性”。
3. 选择^{(Choose Local Files)}左侧的“本地文件”并在右侧选择“验证游戏文件的完整性”。^(Verify)

1. 允许 Steam^{(Allow Steam)}运行完整性检查。

关闭防病毒软件以修复丢失文件权限错误^{(Missing File Privileges Error)}

您的防病毒软件可能错误地将您的 Steam 游戏检测为潜在威胁，从而阻止您访问该游戏。您可以通过暂时关闭防病毒保护来验证是否属于这种情况。

如何禁用保护取决于您使用的防病毒工具。您可以使用以下步骤关闭 Microsoft Defender 防病毒中的保护^{(turn off the protection in Microsoft Defender Antivirus)}：

1. 打开“开始”^(Start)菜单，找到“Windows 安全”^{(Windows Security)}，然后启动该应用程序。
2. ^{(Select Virus)}在主页上 选择病毒和威胁防护。
3. 选择^{(Choose Manage)}病毒^(Virus)和威胁防护设置标题下的管理设置。
4. 关闭实时保护开关。

1. 在用户帐户控制^{(User Account Control)}提示中选择是^(Yes)。
2. 打开 Steam 并启动您的游戏。

卸载并重新安装您的Steam游戏

如果在您启动游戏时Steam继续显示“缺少文件权限”错误，则您的游戏的核心文件可能有问题。删除并重新安装游戏是解决此问题的简单方法。

1. 打开Steam并选择“库”^(Library)来访问您的游戏。
2. 右键单击有问题的游戏，然后选择Manage > Uninstall。

1. ^{(Select Uninstall)}在打开的提示中 选择卸载。
2. 右键单击库中的同一游戏并选择“安装”^(Install) ，重新安装已删除的游戏。

1. 按照屏幕上的安装向导完成游戏安装。
2. 在Steam^(Steam)中启动新下载的游戏。

卸载并重新安装您的Steam客户端

如果“缺少文件权限”错误仍未消失，您最后的办法是删除^(remove)并重新安装计算机上的整个Steam客户端。^(Steam)这有助于解决应用程序的许多问题，使您能够成功启动游戏。

在 Windows 上

1. 按Windows + I 打开“设置”。
2. 选择^{(Select Apps)}左侧边栏中的应用程序和右侧窗格中的 应用程序和功能。^(Apps)
3. 选择列表中Steam旁边的三个点，然后选择“卸载”^(Uninstall)。

1. ^{(Select Uninstall)}在提示中 选择卸载以删除您的应用程序。
2. 重新启动您的电脑。
3. 打开Steam站点，下载安装程序，然后运行安装程序以重新安装Steam。

在 macOS 上

1. 打开Finder并选择左侧边栏中的应用程序。
2. 右键单击右侧的 Steam，然后选择“移至^(Move)垃圾箱”^(Trash)。
3. 访问Steam网站，下载安装程序，然后使用安装程序重新安装您的应用程序。

阻止Steam 在^(Stop)Windows和Mac上显示“缺少文件权限”错误

Steam 的文件权限错误通常是由于Intel^(Intel)进程故障造成的。不过，解决这个问题并不太难，因为您只需在 Windows 或Mac计算机上进行一些更改即可。

解决问题后，您可以在您最喜欢的游戏启动器中继续您的游戏会话^{(continue your gaming sessions)}。

How to Fix Steam’s “Missing File Privileges” Error

Steam’s “Missing File Privileges” error apрears when you try to launch a game in your Steam client. While the most common reason you see this error is that Intel’s built-in graphics module is interfering with the client, there are other reasons. We’ll show you how to fix this problem on your computer.

Other reasons you get the above error are that Steam doesn’t have the required permissions to function, your game library is corrupt, Steam’s download cache is problematic, your antivirus has blocked your access to the game, and more.

Run Steam With Administrator Privileges on Windows 10/11

One way to fix Steam’s “Missing File Privileges” error is by running the app as an admin. When you do this, Steam gets all the privileges it needs to function fully on your Windows PC.

Launching your apps with admin rights can fix nearly all permission-related issues.

1. Right-click your Steam desktop shortcut and select Run as administrator.

1. Choose Yes in the User Account Control prompt.
2. Run your game in the app.

If Steam successfully launches your game in admin mode, ensure Windows always opens Steam with admin rights. Here’s how to do that.

1. Right-click your Steam desktop shortcut and choose Properties.
2. Open the Compatibility tab in Properties.
3. Turn on the Run this program as an administrator option.

1. Select Apply followed by OK at the bottom.

From now on, Steam will always launch with admin privileges when you run the app using your desktop shortcut. Note that this change won’t apply if you open the app from elsewhere, such as the Start menu.

Disable Intel’s igfxEM Module Process

Intel’s igfxEM Module process sometimes interferes with Steam’s functionality, preventing the app from launching your games. You can disable this process using your PC’s Task Manager utility and resolve your issue.

1. Right-click your Start menu icon and select Task Manager.
2. Right-click igfxEM Module on the process list and choose End task.

1. Restart Steam on your PC.

Resolve Steam Missing File Privileges Issue by Clearing the Download Cache

Steam displays a “Missing File Privileges” error because the app’s download cache has gone corrupt. The company recommends clearing this cache when you have trouble downloading or launching games.

Deleting the download cache doesn’t delete your downloaded games or game progresses in your Steam app. However, you’ll have to log back into your Steam account when you’ve cleared your cache.

1. Launch Steam on your computer.
2. Select Steam > Settings in the menu bar.
3. Choose Downloads in the left sidebar.
4. Select Clear Download Cache on the right pane.

1. Choose OK in the prompt.

Repair Steam Library Folder

Steam uses a specific folder on your computer to store your downloaded game content. This game library folder may have become corrupt and unable to launch your games.

Luckily, Steam has a built-in tool to repair your broken game library. Here’s how you can use that feature.

1. Open Steam and select Steam > Settings in the menu bar.
2. Select Downloads on the left and Steam Library Folders on the right.
3. Choose the three dots next to the library folder and select Repair Library.

1. Select Yes in the User Account Control prompt.
2. Choose Done when Steam has finished fixing your game library.

Verify the Integrity of Your Steam Game Files

You may be unable to launch your Steam game because your game files have been altered. Various items can cause that, including viruses and third-party malicious apps.

In this case, you can use Steam’s built-in integrity checker to check whether your game files are intact.

1. Open Steam and select Library to view your games.
2. Right-click your problematic game on the list and select Properties.
3. Choose Local Files on the left and Verify integrity of game files on the right.

1. Allow Steam to run the integrity check.

Turn Off Your Antivirus to Fix the Missing File Privileges Error

Your antivirus software may have mistakenly detected your Steam game as a potential threat, blocking your access to the game. You can verify if that’s the case by temporarily turning off your antivirus protection.

How you disable your protection depends on the antivirus tool you’re using. You can use the following steps to turn off the protection in Microsoft Defender Antivirus:

1. Open the Start menu, find Windows Security, and launch the app.
2. Select Virus & threat protection on the main page.
3. Choose Manage settings under the Virus & threat protection settings title.
4. Turn off the Real-time protection toggle.

1. Select Yes in the User Account Control prompt.
2. Open Steam and launch your game.

Uninstall and Reinstall Your Steam Game

If Steam continues to display a “Missing File Privileges” error when you launch a game, your game’s core files might be problematic. Removing and reinstalling the game is an easy way to fix this issue.

1. Open Steam and select Library to access your games.
2. Right-click your faulty game and choose Manage > Uninstall.

1. Select Uninstall in the open prompt.
2. Reinstall your removed game by right-clicking the same game in your library and choosing Install.

1. Follow the on-screen installation wizard to finish installing the game.
2. Launch the newly-downloaded game in Steam.

Uninstall and Reinstall Your Steam Client

If your “Missing File Privileges” error hasn’t gone away, your last resort is to remove and reinstall the entire Steam client on your computer. This helps fix many issues with the app, allowing you to launch your games successfully.

On Windows

1. Open Settings by pressing Windows + I.
2. Select Apps in the left sidebar and Apps & features on the right pane.
3. Select the three dots next to Steam on the list and choose Uninstall.

1. Select Uninstall in the prompt to remove your app.
2. Reboot your PC.
3. Open the Steam site, download the installer, and run the installer to reinstall Steam.

On macOS

1. Open Finder and select Applications in the left sidebar.
2. Right-click Steam on the right and choose Move to Trash.
3. Access the Steam website, download the installer, and use the installer to reinstall your app.

Stop Steam From Displaying the “Missing File Privileges” Error on Windows and Mac

Steam’s file privilege error usually results from a malfunctioning Intel process. However, it isn’t too difficult to resolve this problem, as all you have to do is make a few changes here and there on your Windows or Mac computer.

Once you’ve resolved your problem, you can continue your gaming sessions in your favorite game launcher.

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