每次尝试加入在线 Steam 游戏时，您是否都会^(Are)收到“ VAC无法验证您的游戏会话”错误？每^(Every)隔一段时间，这个故障就会再次出现，导致玩家无法加入《反恐精英：全球攻势》^(Offensive)等匹配游戏。但幸运的是，它通常很容易修复。

在本文中，我们将解释如何修复此错误，以便您可以再次回到在线游戏。

“ VAC^{(VAC Was)}无法验证您的游戏会话” 是什么意思？

VAC或Valve Anti-Cheat是^{(Valve Anti-Cheat)}Valve开发的一款软件，用于防止其热门游戏中的作弊者。由于其受欢迎程度，此错误主要影响 CS:GO 玩家，导致他们无法在游戏中进行匹配。

“ VAC无法验证您的游戏会话”错误意味着VAC软件无法确保您的游戏文件不被篡改。由于文件篡改可能表明您正在进行黑客攻击，因此该游戏不会让您玩。

然而，即使您没有安装作弊程序或更改游戏文件，也经常会导致此错误。通常^(Often)，它是在更新安装不正确、文件损坏或随机故障后发生的。

解决“VAC 无法验证您的游戏会话”的 7种方法^(Ways)

这里有 7 种方法来解决这个令人沮丧的故障。

1. 快速修复

通常，只需重新启动此错误就会消失，因此在我们讨论更复杂的解决方案之前，让我们从快速修复开始：

1. 重新启动蒸汽^{(Restart Steam)}。完全关闭 Steam^{(Close Steam)}，然后重新启动。注销并重新登录您的 Steam 帐户，然后尝试再次进入配对。
2. 重启你的电脑。完全重新启动计算机。
3. 打开离线模式^{(Offline Mode)}。通过选择Steam > Go...然后在线...，在 在线模式^{(Online Mode)}和离线模式^{(Offline Mode)}之间切换。^(Toggle)

1. 关闭您的VPN和任何其他网络或设备更改软件。确保没有软件（包括作弊软件，如果有的话）与Steam或您的Steam游戏进行交互。如果您怀疑后台应用程序（例如广告拦截器）干扰您的游戏，请将其禁用并尝试再次运行您的游戏。
2. 检查您是否未被VAC禁止。Select Steam > Settings > Account > VAC Status。如果它显示“帐户没有 VAC^{(No VAC)} 禁令^(Bans)”，那么就一切顺利。如果显示已禁止，您必须访问VACBanned网站并找出原因。

1. 更改您的姓名和个人资料图片。奇怪的是，许多用户报告说，更改他们的姓名和个人资料图片可以完全消除此错误。

2.以管理员身份 运行Steam^{(Run Steam)}（和游戏）^(Game)

如果Steam由于某种原因无法访问您的游戏文件，您可能会收到游戏会话错误。您可以通过在管理员模式下运行Steam客户端来绕过此故障。为此，请右键单击Steam图标并选择以管理员身份运行^(Run)。

然后，同样以管理员模式运行游戏。为此，您需要找到该游戏的文件路径。

1. 在Steam中，选择库^(Library)，然后右键单击您的游戏并选择Manage > Browse本地文件。

1. 找到您的游戏的.exe文件，右键单击它，然后选择以管理员身份运行^(Run)。

1. 尝试再次参加比赛。

如果这解决了问题，您可以通过右键单击 .exe 文件并选择“属性”来告诉Steam以管理员身份运行。^(Steam)在这里，导航到“兼容性”^{(Compatibility)}选项卡，并确保选中“以管理员身份 运行此程序”旁边的复选框。^(Run)

3.禁用防病毒软件

有时，防病毒程序可能会干扰 Valve 验证您的游戏会话的能力。要排除这种情况，请暂时禁用防病毒软件并尝试再次进入游戏。

要禁用 Windows Defender：

1. 按^(Press)Windows键 + I 打开“^(Windows)设置”^(Settings)。
2. 选择安全^(Security)（或更新^(Update)和安全^(Security)）。

1. 选择“Windows 安全”。
2. 选择病毒和威胁防护。

1. 在弹出窗口中的“病毒和威胁防护设置”下，选择管理^(Manage)设置。

1. 关闭^(Toggle)所有功能，然后尝试运行游戏。如果您仍然遇到该错误，请不要忘记重新打开Windows Defender。

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

不正确的文件安装和^(Improper)游戏下载^{(game downloads)}过程中的故障可能会导致“VAC 无法验证您的游戏会话”故障。要检查这是否是问题所在，您需要验证游戏文件的完整性。

为此：

1. 打开Steam并登录您的Steam帐户。
2. 转至库^(Library)，然后右键单击您遇到问题的游戏。
3. 选择属性。

1. 选择本地文件选项卡。
2. 在右侧窗格中，选择验证^(Verify)游戏文件的完整性。

5.修复Steam库文件夹

下一个要尝试的修复是修复Steam 库^{(Steam Library)}。为此：

1. 启动蒸汽。
2. 选择“蒸汽”>“设置”。
3. 选择“下载”^(Downloads)选项卡，然后选择“Steam 库文件夹”^{(Steam Library Folders)}。

1. 选择存储位置旁边的三个水平点，然后按修复文件夹^{(Repair Folder)}。

1. 重新启动 Steam^{(Restart Steam)}并检查它是否再次工作。

6.修复Steam服务

您还可以尝试修复Steam 服务^{(Steam service)}。为此：

1. 按^(Press)Windows键^(Windows)+ R 打开“运行”^(Run)对话框。
2. 输入“C:Program Files (x86)Steam inSteamService.exe” /repair 并按Enter。

1. 将打开一个终端窗口。让它完成并关闭，然后重新启动Steam并重试。

7. 重新安装您的Steam 游戏^{(Steam Game)}（或Steam 本身^{(Steam Itself)}）

如果其他方法都不起作用，最后的办法就是重新安装导致问题的游戏。要重新安装 CS:GO，只需在Steam^(Steam)中右键单击您的游戏并选择卸载^(Uninstall)即可。然后，再次右键单击它并选择“安装”^(Install)。

如果这不起作用，您还可以尝试重新安装Steam本身。

1. 打开“开始”菜单。
2. 键入“^{(Type “)} add”并选择“添加^(Add)或删除程序”。
3. 向下滚动^(Scroll)并找到Steam。选择它，然后选择“卸载”^(Uninstall)。

1. ^(Download)从Steam^(Steam)官方网站下载Steam客户端重新安装。

返回游戏

希望本故障排除指南已帮助您修复 CS: GO VAC错误，然后您可以返回游戏。虽然VAC验证错误通常很容易修复，但有时Steam 服务器根本不会让您进入^{(Steam servers simply won’t let you in)}。如果您不断收到匹配失败的错误，请尝试在其他设备上玩游戏或等待新的更新来修复该故障。

How to Fix the “VAC Was Unable to Verify Your Game Session” Steam Error

Are you receiving the “VAC was unаble to verіfy your game session” error every time you attempt tо join an online Steam game? Every so often, this glіtch reappears аnd prevents players from joining matchmaking games like Counter-Strike: Global Offensive. But luckily, it’s usuаlly easy tо fix.

In this article, we’ll explain how to fix this error so you can get back to playing online once again.

What Does “VAC Was Unable to Verify Your Game Session” Mean?

VAC, or Valve Anti-Cheat, is a software developed by Valve to prevent cheaters on their popular games. Because of its popularity, this error mostly affects CS:GO players, which prevents them from matchmaking in-game.

The “VAC was unable to verify your game session” error means that the VAC software has been unable to ensure that your game files aren’t tampered with. Since file tampering could indicate that you’re hacking, the game doesn’t let you play.

However, this error is often caused even when you haven’t installed cheats or altered the game files. Often, it occurs after an improperly installed update, corrupted files, or a random glitch.

7 Ways to Fix “VAC Was Unable to Verify Your Game Session”

Here are 7 ways to fix this frustrating glitch.

1. Quick Fixes

Often, this error goes away with a simple restart, so before we get into the more complicated solutions, let’s start with the quick fixes:

1. Restart Steam. Close Steam completely and then restart it. Log out and back into your Steam account, then try to enter matchmaking again.
2. Restart your computer. Restart your computer entirely.
3. Turn on Offline Mode. Toggle between Online Mode and Offline Mode by selecting Steam > Go offline… then Go online…

1. Turn off your VPN and any other network or device-altering software. Ensure that no software (including cheating software, if you have it) is interacting with Steam or your Steam game. If you suspect a background app (like an adblocker) of interfering with your game, disable it and try to run your game again.
2. Check that you aren’t VAC banned. Select Steam > Settings > Account > VAC Status. If it says “No VAC Bans on Account”, then you’re all good. If it says banned, you’ll have to go to the VACBanned website and find out why.

1. Change your name and profile picture. Weirdly, many users have reported that changing their name and profile picture removes this error entirely.

2. Run Steam (and the Game) as Administrator

If Steam can’t access your game files for some reason, you might receive the game session error. You can bypass this glitch by running the Steam client in administrator mode. To do so, right-click the Steam icon and select Run as administrator.

Then, run the game in administrator mode as well. To do so, you’ll need to find the file path for that game.

1. In Steam, select Library, then right-click your game and select Manage > Browse local files.

1. Find the .exe file for your game, right-click it, and select Run as administrator.

1. Try to enter a match once again.

If this fixes the problem, you can tell Steam to run as administrator by right-clicking the .exe file and selecting Properties. Here, navigate to the Compatibility tab and make sure that the checkbox next to “Run this program as administrator” is ticked.

3. Disable Your Antivirus Software

Occasionally, antivirus programs can interfere with Valve’s ability to verify your game session. To rule this out, temporarily disable your antivirus and try to enter a game again.

To disable Windows Defender:

1. Press the Windows key + I to open Settings.
2. Select Security (or Update & Security).

1. Select Windows Security.
2. Choose Virus & threat protection.

1. In the pop-up window, under “Virus & threat protection settings”, select Manage settings.

1. Toggle everything off, then try to run a game. If you still experience the error, don’t forget to turn Windows Defender back on.

4. Verify the Integrity of Your Game Files

Improper file installation and glitches during game downloads can cause the “VAC was unable to verify your game session” glitch. To check whether this is the issue, you need to verify the integrity of your game files.

To do so:

1. Open Steam and log in to your Steam account.
2. Go to the Library, then right-click the game you’re having an issue with.
3. Select Properties.

1. Select the Local Files tab.
2. In the right-hand pane, select Verify integrity of game files.

5. Repair the Steam Library Folder

The next fix to try is repairing the Steam Library. To do so:

1. Start Steam.
2. Select Steam > Settings.
3. Select the Downloads tab and select Steam Library Folders.

1. Select the three horizontal dots beside a storage location and press Repair Folder.

1. Restart Steam and check whether it’s working again.

6. Repair the Steam Service

You can also try repairing the Steam service. To do so:

1. Press the Windows key + R to open the Run dialog box.
2. Type “C:\Program Files (x86)\Steam\bin\SteamService.exe” /repair and press Enter.

1. A terminal window will open. Let it finalize and close, then restart Steam and try again.

7. Reinstall Your Steam Game (or Steam Itself)

If nothing else has worked, the final resort is to reinstall the game that’s causing problems. To reinstall CS:GO, simply right-click your game in Steam and select Uninstall. Then, right-click it again and select Install.

If this doesn’t work, you can also try reinstalling Steam itself.

1. Open the Start menu.
2. Type “add” and select Add or remove programs.
3. Scroll down and find Steam. Select it, then select Uninstall.

1. Download the Steam client from the official Steam website to reinstall it.

Back to the Game

Hopefully, this troubleshooting guide has helped you fix CS:GO VAC error and you can get back to the game. While the VAC verification error is often easy to fix, sometimes the Steam servers simply won’t let you in. If you keep getting matchmaking failed errors, try to play on a different device or wait for a new update to fix the glitch.

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