Fix ‘Disk Defragmenter was scheduled using another program’ Issue – Guide
When Windows is unable to start the drive defrag process because it is already scheduled/executed by another application on your computer, the error “disk defrag was scheduled using other software” appears. Disk Defragmenter is a Windows application that rearranges files to make them more accessible, rearranging them to occupy contiguous storage locations. Defragmentation reduces the time it takes for the head to access a specific area of the disk. Even if the program that acquired control of the service is removed, the error message often persists. This is because it modified the disk defrag scheduler in Task Scheduler and did not undo the changes when it was removed. There are quick fixes for this error that resolve the issue right away. Go through the list of workarounds starting at the top.
How to fix it
Solution 1: Click on ‘Remove Settings’ on the pop-up windowup
Before we get into more tedious solutions, you can try giving control back to Windows by clicking the ‘Remove Settings’ button button present in the pop-up. When you click on it, Windows will try to regain control of the utility and will try to set default values in the schedule. Most of the time, clicking the button button does not do anything. In this case, restart the computer (several times if necessary). Also, make sure that another application is not already running the defrag utility in the background. Note that you may require administrative privileges to perform this operation.
Solution 2: Disable disk defrag apps (Norton, CCleaner, etc.)
There are many applications out there that perform ‘optimization’ operations on your computer to make it faster and remove disk access time. Defragmentation is just one of the few activities they undertake to achieve this goal. When third-party software defrags your disk, it basically takes over the service and runs it at different time intervals according to its schedule. If you have any apps (like CCleaner, Disk Optimizer, etc.), make sure you disable them or remove them completely. One notable application was Norton Antivirus. It has a utility called “Idle Time Optimizer”. It allows the antivirus to defrag your boot volume. It automatically schedules optimization when it detects the installation of an application on your computer or when your computer is idle. We can try disabling it and see if that does the trick. trick.
Solution 3: Enabling Disk Defragmenter using your application
Before we try to force the utility to run using the task scheduler, we can try to set its parameters and run it using its default application. Make sure you are logged in as an administrator before proceeding.
Solution 4: Schedule the utility using Task Scheduler
Task Scheduler allows you to automatically perform routine tasks on a chosen computer. Task Scheduler does this by monitoring whatever criteria you choose to start tasks (called triggers) and then running tasks when the criteria you choose to start tasks (called triggers) and then running the tasks when the criteria are met. We will try to change the settings in the task scheduler if you are unable to manually defrag the disk and see if that resolves the issue for us.
Final note
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