Fix: Disk Defragmenter Was Scheduled Using Another Program

Easy-to-follow solutions for a quick troubleshooting

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Defragmentation is a critical process that optimally rearranges the data on the drive so that the information for a specific file is stored together. But when initiating the operation, many get theDisk Defragmenter was scheduled using another programmessage.

Disk defragmentationhelps improve the PC’s performance by reducing the time spent accessing files. So, if another app has gained access to it and scheduled defragmentation, let’s find out all there’s to know.

Why does Disk Defragmenter was scheduled using another program message appear?

Here are a few reasons you might be getting the error:

How do I fix Disk Defragmenter was scheduled using another program error?

Before we head to the slightly complex solutions, try these quick ones:

If these don’t work, move to the solutions listed next.

1. Terminate all non-critical processes

An easy solution when you get theDisk defragmenter was scheduled using another programerror is to terminate the process triggering it. Though it doesn’t work all the time, there’s no harm in trying.

2. Scan the disk for errors

3. Enable defrag in Task Scheduler

If you keep noticing that disk defrag was scheduled using another program, there’s a possibility that ScheduledDefrag is disabled. Enable it, and you are good to go! In case it was already enabled, head to the next solution.

4. Manually configure the defragmentation schedule

Once done, now try defragmenting the drive and verify whether you still get theDisk defragmenter was scheduled using another programerror. If yes, head to the last solution.

5. Perform a system restore

If you recently started seeing theStorage optimization is currently using customized settingprompt, it might be recent changes to the system that triggered it. And a system restore is the best way to get things up and running.

By now, you should have fixed theDisk defragmenter was scheduled using another programerror, and can manually defragment the drive at will. In case the problem persists, the last option is tocreate a bootable driveandreinstall Windowsthrough it.

And since we are on the topic, find out how tomake Windows fasterand enjoy a superior experience.

Tell us which fix worked for you in the comments section below.

Fix: Disk Defragmenter Was Scheduled Using Another Program#

Why does Disk Defragmenter was scheduled using another program message appear?#

How do I fix Disk Defragmenter was scheduled using another program error?#

1. Terminate all non-critical processes#

2. Scan the disk for errors#

3. Enable defrag in Task Scheduler#

4. Manually configure the defragmentation schedule#

5. Perform a system restore#