任务计划程序服务不可用。任务计划程序将尝试重新连接到它

修复任务计划程序服务不可用错误： ^{(Fix Task Scheduler service is not available error: )}用户报告了一个新问题，突然出现一条错误消息^{(error message)}，提示“任务计划程序服务不可用。任务计划程序将尝试重新连接到它。^{(Task Scheduler service is not available. Task Scheduler will attempt to reconnect to it.)}” 没有安装 Windows 更新^{(Windows update)}或任何第三方程序^{(party program)}，即使这样，用户仍面临此错误消息^{(error message)}。如果单击“确定”，则错误消息^{(error message)}将再次立即弹出，即使您尝试关闭错误对话框，^{(error dialog box)}您也会再次遇到相同的错误。摆脱此错误的唯一方法是终止任务管理器^{(Task Manager)}中的任务计划程序进程^{(Task Scheduler process)}。

任务计划程序服务不可用。任务计划程序将尝试重新连接到它

尽管有很多关于为什么这个错误突然出现在用户 PC 上的理论，但是对于为什么会发生这个错误没有官方或适当的解释。虽然注册表修复^{(Registry fix)}似乎可以解决问题，但无法从修复中得出正确的解释。无论如何^(Anyway)，在不浪费任何时间的情况下，让我们看看如何使用下面列出的故障排除指南实际^{(troubleshooting guide)}修复^{(Fix Task Scheduler service)}Windows 10中的任务计划程序服务不可用错误。

修复任务计划程序服务^{(Fix Task Scheduler service)}不可用错误

确保^(Make)创建一个还原点^{(restore point)} 以防万一^{(case something)}出现问题。

方法一：手动启动任务计划服务^{(Method 1: Manually Starting Task Scheduler Service)}

1.按 Windows 键 + R 然后键入services.msc并按 Enter。

服务窗口

2.在列表中找到任务计划程序服务^{( Task Scheduler Service)}，然后右键单击并选择属性。^{(Properties.)}

右键单击任务计划程序服务并选择属性

3.确保启动类型设置为自动^{(Startup type is set to Automatic)}并且服务正在运行，如果没有，请单击开始。^(Start.)

确保任务计划程序服务的启动类型设置为自动并且服务正在运行

4.单击应用，然后单击确定。

5.重新启动您的 PC 以保存更改，并查看您是否能够修复任务计划程序服务不可用错误。^{(Fix Task Scheduler service is not available error.)}

方法 2：注册表修复^{(Method 2: Registry Fix)}

1.按 Windows 键 + R 然后键入regedit并按Enter打开注册表编辑器^{(Registry Editor)}。

运行命令 regedit

2.导航到以下注册表项^{(registry key)}：

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Schedule

3.确保您在左侧窗口中突出显示了^{(left window)}计划^{( Schedule)}，然后在右侧窗格中查找^{(right window pane look)}“开始^(Start)”注册表 DWORD。

如果找不到，请在计划注册表项中查找开始，然后右键单击选择新建，然后选择 DWORD

4.如果找不到相应的键，则在右侧窗口的空白区域单击鼠标右键，然后选择^{(right window and select)} New > DWORD (32-bit) value.

5.将此键命名为Start并双击它以更改其值。

6.在数值数据字段中输入 2^{(type 2)}并单击确定。

在计划注册表项下将 Start DWORD 的值更改为 2

7.关闭注册表编辑器^{(Registry Editor)}并重新启动您的 PC 以保存更改。

方法三：改变任务条件^{(Method 3: Change the Task conditions)}

1.按Windows Key + X然后选择控制面板。^{(Control Panel.)}

控制面板

2.现在点击系统和安全^{(System and Security)}，然后点击管理工具。^{(Administrative Tools.)}

在控制面板搜索中键入管理并选择管理工具。

3.双击任务计划程序^{(Task Scheduler)}，然后右键单击您的任务并选择属性。^{(Properties.)}

4.切换到条件选项卡^{(Conditions tab)}并确保选中标记“仅当以下网络连接可用时才启动。^{(Start only if the following network connection is available.)}“

切换到条件选项卡并选中仅当以下网络连接可用时才开始，然后从下拉列表中选择任何连接

5.接下来，从下方到上方设置的下拉列表中选择任何连接^{(Any connection)}，然后单击确定。

6.重新启动您的 PC 以保存更改。如果问题仍然存在，请确保取消选中上述设置。^{(uncheck the above setting.)}

方法 4：删除损坏的任务计划程序树缓存^{(Method 4: Delete Corrupted Task Scheduler Tree Cache)}

1.按 Windows 键 + R 然后键入regedit并按Enter打开注册表编辑器^{(Registry Editor)}。

运行命令 regedit

2.导航到以下注册表项^{(registry key)}：

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree

3.右键单击树键^{(Tree Key)}并将其重命名为Tree.old并再次打开任务计划程序^{(Task Scheduler)}以查看错误消息^{(error message)}是否仍然出现。

4.如果错误没有^{(error doesn)}出现，这意味着树键^{(Tree key)}下的条目已损坏，我们将找出哪个条目。

在注册表编辑器下将 Tree 重命名为 Tree.old 并查看错误是否已解决

5.再次将Tree.old^(Tree.old)重命名为Tree并展开此注册表项^{(registry key)}。

6.在树注册表项下，将每个键重命名为 .old^{( rename each key to .old)}并且每次重命名特定键时打开任务计划程序^{(Task Scheduler)}并查看是否能够修复错误消息^{(error message)}，继续执行此操作直到错误消息不再^{( keep doing this until the error message no longer)} 出现。^(appears.)

在树注册表项下将每个键重命名为 .old

7. 3rd 方任务之一可能会因为 任务计划程序服务不可用错误 ^{(Task Scheduler service is not available error )}而损坏。在大多数情况下，问题似乎出在Adobe Flash Player Updater 上，重命名它似乎可以解决问题，但您应该按照上述步骤解决此问题。

8.现在删除导致任务计划程序错误^{(Task Scheduler error)}的条目，问题将得到解决。

方法5：修复安装Windows 10^{(Method 5: Repair Install Windows 10)}

这种方法是最后的手段，因为如果没有任何问题，那么这种方法肯定会修复您的 PC 的所有问题，并将修复 Windows 10 中的任务计划程序服务不可用错误^{( Fix Task Scheduler service is not available error in Windows 10)}。修复安装^{(Repair Install)}仅使用就地升级来修复系统问题，而不会删除系统上存在的用户数据。因此，请按照本文查看如何轻松^(Easily)修复^(How)安装Windows 10^{(Repair Install Windows 10)} 。

为你推荐：^{(Recommended for you:)}

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^{(Fix Black Squares Behind Folder)}修复文件夹图标后面的黑色方块
如何修复搜索在^{(Fix Search)}Windows 10中不起作用
修复文件资源管理器搜索在^{(Fix File Explorer Search)}Windows 10中不起作用

就是这样，您已成功修复 Windows 10 中的任务计划程序服务不可用错误，^{(Fix Task Scheduler service is not available error in Windows 10)}但如果您对本指南仍有任何疑问，请随时在评论部分提出。

Fix Task Scheduler service is not available error

Fix Task Scheduler service is not available error: Users are reporting a new issue where out of nowhere an error message pops up saying “Task Scheduler service is not available. Task Scheduler will attempt to reconnect to it.” No Windows update or any third party program is installed and even then the users are facing this error message. If you click OK then the error message will again pop up instantaneously and even if you try to close the error dialog box you will again face the same error. The only way to get rid of this error is to kill the Task Scheduler process in Task Manager.

Task Scheduler service is not available. Task Scheduler will attempt to reconnect to it

Although there are many theories regarding why this error suddenly pops up on users PC but there is no official or proper explanation as to why this error occurs. Although a Registry fix seems to fix the issue, but no proper explanation can be derived from the fix. Anyway, without wasting any time lets see how to actually Fix Task Scheduler service is not available Error in Windows 10 with the below-listed troubleshooting guide.

Fix Task Scheduler service is not available error

Make sure to create a restore point just in case something goes wrong.

Method 1: Manually Starting Task Scheduler Service

1.Press Windows Key + R then type services.msc and hit Enter.

services windows

2.Find Task Scheduler Service in the list then right-click and select Properties.

Right-click Task Scheduler service and select Properties

3.Make sure Startup type is set to Automatic and the service is running, if not then click on Start.

Make sure Start type of Task Scheduler service is set to Automatic and service is running

4.Click Apply followed by OK.

5.Reboot your PC to save changes and see if you’re able to Fix Task Scheduler service is not available error.

Method 2: Registry Fix

1.Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

Run command regedit

2.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Schedule

3.Make sure you have highlighted Schedule in the left window and then in the right window pane look for “Start” registry DWORD.

Look for Start in Schedule registry entry if not found then right-click select New then DWORD

4.If you can’t find the corresponding key then right-click in an empty area in the right window and select New > DWORD (32-bit) value.

5.Name this key as Start and double click on it to change its value.

6.In the Value data field type 2 and click OK.

Change the value of Start DWORD to 2 under Schedule Registry Key

7.Close Registry Editor and reboot your PC to save changes.

Method 3: Change the Task conditions

1.Press Windows Key + X then select Control Panel.

control panel

2.Now click on System and Security and then click Administrative Tools.

Type Administrative in the Control Panel search and select Administrative Tools.

3.Double click on Task Scheduler and then right-click on your tasks and select Properties.

4.Switch to Conditions tab and make sure to check mark “Start only if the following network connection is available.“

Switch to Conditions tab and check mark Start only if the following network connection is available then from the dropdown select Any connection

5.Next, from the drop-down located below to above settings select Any connection and click OK.

6.Reboot your PC to save changes. If the issue still persists make sure to uncheck the above setting.

Method 4: Delete Corrupted Task Scheduler Tree Cache

1.Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

Run command regedit

2.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Schedule\TaskCache\Tree

3.Right-click on Tree Key and rename it to Tree.old and again open Task Scheduler to see if the error message still appears or not.

4.If the error doesn’t appear this means an entry under Tree key is corrupted and we are going to find out which one.

Rename Tree to Tree.old under registry editor and see if the error is resolved or not

5.Again rename Tree.old back to Tree and expand this registry key.

6.Under Tree registry key, rename each key to .old and each time you rename a particular key open the Task Scheduler and see if you’re able to fix the error message, keep doing this until the error message no longer appears.

Under Tree registry key rename each key to .old

7. One of the 3rd party tasks might get corrupted because of which Task Scheduler service is not available error occurs. In most cases, it seems like the problem is with Adobe Flash Player Updater and renaming it seems to fix the problem but you should troubleshoot this problem by following the above steps.

8.Now delete the entries which are causing the Task Scheduler error and the issue will be resolved.

Method 5: Repair Install Windows 10

This method is the last resort because if nothing works out then this method will surely repair all problems with your PC and will Fix Task Scheduler service is not available error in Windows 10. Repair Install just uses an in-place upgrade to repair issues with the system without deleting user data present on the system. So follow this article to see How to Repair Install Windows 10 Easily.

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That’s it you have successfully Fix Task Scheduler service is not available error in Windows 10 but if you still have any questions regarding this guide then feel free to ask them in the comment’s section.

瑛武

About the author

我是一名专业的音频工程师，拥有超过 10 年的经验。我参与过各种各样的项目，从小型家庭音响系统到大型商业制作。我的技能在于创造出色的配乐和声音处理工具，让音乐听起来很棒。我对 Windows 10 也非常有经验，可以帮助您充分利用您的计算机系统。

修复任务计划程序服务不可用错误