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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.

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Aditya Farrad

Aditya is a self-motivated information technology professional and has been a technology writer for the last 7 years. He covers Internet services, mobile, Windows, software, and How-to guides.

4 thoughts on “Fix Task Scheduler service is not available error”

  1. This was happening on a single task for me. Fixed it by changing “Start only if the following network connection is available.“ setting from a specific one to “Any connection”

  2. This error also occurred for me when I imported a task and named it the same as a previous task I had recently deleted. Importing it again with a unique name resolved this issue.

  3. I did the inplace upgrade from Windows 10 Home to Pro, then the problem appear. Service is running, but I get the error message when I try to run any task.

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