How To Fix 'Disk Defragmenter was scheduled using another program'
How To Fix 'Disk Defragmenter was scheduled using another program'

Recently, lots of Windows 10 users have complained that they are getting an error message while running the Disk Defragmenter tool on Windows 10. The error states “Disk Defragmenter was scheduled using another program”. So, here in this article, we have shared a few best methods to fix the error message.

Well, if you are using a Windows operating system for a while, then you will know that the operating system is not entirely free from bugs and errors. There are BSOD errors, Driver errors, etc. that can ruin the Windows experience. Over time our hard drive gets fragmented, and it leads to sluggish performance.

When the hard drive gets fragmented, we often face problems like high CPU usage, Disk usage, etc. All these things can significantly impact our PC’s performance. However, to deal with such issues, Microsoft provides users disk defragment tool. The defragment feature can greatly improve your PC’s performance by freeing up the hard disk space.

Recently, lots of Windows 10 users have complained that they are getting an error message while running the Disk Defragmenter tool on Windows 10. The error states “Disk Defragmenter was scheduled using another program”. So, in this article, we are going to share a few best methods that could help you to fix the problem.

How To Fix ‘Disk Defragmenter was scheduled using another program’

It’s worth to note that it’s not a bug or error, it occurs if you have scheduled a disk defragmenter using third-party programs like PC Optimizers, Antivirus, etc. So, let’s explore some of the best methods to fix ‘Disk Defragmenter was scheduled using another program” error message.

#1 Click on the ‘Remove Settings’ Option

Click on the 'Remove Settings' Option
Click on the ‘Remove Settings’ Option

Well, the error message itself provides an option to remove pre-made settings. So, before making further changes, make sure to click on the ‘Remove Settings’ option whenever the error message occurs. When you click on the ‘Remove Settings’ option, it will automatically delete all values in the schedule. However, lots of users have reported that clicking on ‘Remove Settings’ option doesn’t fix the problem. So, if it fails to fix the error, follow the next methods.

#2 Disabling Disk Defragmenting Applications

Disabling Disk Defragmenting Applications
Disabling Disk Defragmenting Applications

As we have already mentioned above, the error message usually occurs when another software has scheduled the Disk Defragmentation. Some third party software like Antivirus tools, PC Optimization tools, etc. often has the option to defragment your disk. One example of such software was Norton Antivirus which has a feature known as ‘Idle Time Optimizer’. The feature defragments your boot volume. So, make sure to disable it or eradicate it to fix the ‘Disk defragmenter was scheduled using another program’

#3 Schedule Disk Defragmenter Using Its Application

Well, now that you have removed the disk defragmenter schedule from other programs, its time to schedule disk defragmenter using its Application. So, to schedule Disk Defragmenter using its Application, follow some of the simple steps listed below.

Step 1. First of all, open the Search bar and type in ‘System Tools’

Step 2. Now under the System Tools, you need to select ‘Disk Defragmenter’

Step 3. In the next step, you need to click on ‘Turn on schedule’

Schedule Disk Defragmenter Using Its Application
Schedule Disk Defragmenter Using Its Application

Step 4. Now enable the ‘Run on a schedule’ and then set the Frequency and Day.

That’s it, you are done! This is how you can schedule disk defragmenter on Windows 10 computer.

#4 Schedule Using Task Scheduler

Well, if you are still getting the error message while scheduling Disk Defragmenter, then you can use the Task Scheduler. Users just need to do some modification on the Defrag settings to schedule the utility. Follow, some of the simple steps given below to schedule Disk Defragmenter using Task Scheduler.

Step 1. First of all, Press Windows Key + R and on the RUN dialog box, type in ‘taskschd.msc’

Schedule Using Task Scheduler
Schedule Using Task Scheduler

Step 2. Now you will see the Task Scheduler utility, there head to the Task Scheduler Library > Microsoft > Windows > Defrag. Double click on the Task to change the triggers. If it’s disabled right click on it and select ‘Enable’

Schedule Using Task Scheduler
Schedule Using Task Scheduler

Step 3. Now head to the Triggers tab and then click on the ‘New’ to create new triggers. From there you can force disk defragmenter to run on a schedule.

Schedule Using Task Scheduler
Schedule Using Task Scheduler

So, these are the 4 best methods to fix ‘Disk defragmenter was scheduled using another program’. If you know any other method to fix the error, let us know in the comment box below.



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Amarnath Chakraborty is the content writer at Tech Viral. He writes/edits about how-to tips, tutorials especially on Social Networks, Android, iPhone, Computer, Internet etc.

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