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Disk Cleanup won't open

Disk Cleanup won’t open or work when some users try using the Windows tool. How to cope with the issue? Do not worry. MiniTool gathers four solutions from the Internet and one stopgap, and introduces them one by one in this post.

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Disk Cleanup Won’t Open Windows 10

Disk Cleanup is a tool that is included with Windows 10/8/7 to help users remove unnecessary files on computers to free up disk space. To maintain or improve the computer performance, it is recommended to run the tool at least once a month. However, some users complain that Windows tools cannot be used or even opened on their computers.

Disk Cleanup Won't Open: Disk Cleanup opened once and after clicking 'Clean System Files' it closed. When I try to run it by clicking on it in the start menu nothing happens. -- answers.microsoft.com

Why won’t Disk Cleanup open or work? Many factors should be to blame for Disk Cleanup not opening or working. No matter what causes the issue in your case, you can try the following solutions one by one until Disk Cleanup works properly again.

Fix 1: Delete the Temporary Files

If there’re some corrupt temporary files, Disk Cleanup won’t open on Windows 10. So, remove the temporary files on your computer. Here are the steps to fix “Disk Cleanup not working Windows 10”:

Step 1: Type %temp% in the Windows search bar and then hit the Enter key.

Step 2: Select all the temporary files, then right-click them, and choose the Delete option.

choose the Delete option

Step 3: Restart your computer and then try launching Disk Cleanup.

Does the issue disappear? If not, move to the next fixes.

Fix 2: Run Windows Update Troubleshooter

If Disk Cleanup is still refused to open or work, now try run Windows Update troubleshooter. Here are the steps:

Step 1: Press Windows + I to launch Windows Settings.

Step 2: Once inside the Windows Settings window, choose the Update & security option.

choose the Update & security option

Step 3: Click the Troubleshoot on the left pane, then click the Windows Update on the right pane, and finally click the Run the troubleshooter button.

click the Run the troubleshooter button

Step 4: The troubleshooter will start detecting problems. Once the detecting process ends, follow the on-screen prompts to complete the troubleshooting. Then, restart tour compute and check if the issue “Disk Cleanup not opening” is solved.

Fix 3: Run System File Checker

The third solution is running System File Checker. As we know, System File Checker is a Microsoft Windows tool that allows users to scan for and restore corruptions in Windows system files. If corrupted system files cause the issue “Disk Cleanup not opening or working Windows 10, running the tool should be helpful.

To run System File Checker, you should perform the following steps:

Step 1: Run Command Prompt as administrator.

  1. Type Command Prompt in the Windows search bar.
  2. Right-click the search result and choose Run as administrator.

Step 2: Type the sfc /scannow command on the Command Prompt window and hit the Enter key.

run sfc/scannow

Step 3: When System File Checker finishes the task, reboot your computer to see if the issue “Disk Cleanup not opening/working” is resolved.

If the issue “Disk Cleanup not opening/working” still runs on your computer, then try the next solution.

Fix 4: Run DISM

Now, it is recommended that you try the DISM tool. DISM (Deployment Image Servicing and Management) is a command-line tool, so you need to use it through Command Prompt.

Here is how to run DISM to fix “Disk Cleanup not opening or working”:

Step 1: Run Command Prompt as administrator.

  1. Type Command Prompt in the Windows search bar.
  2. Right-click the search result and choose Run as administrator.

Step 2: Type the following command on the Command Prompt window and hit the Enter key.

DISM /Online /Cleanup-Image /RestoreHealth

run DISM tool

Step 3: Wait for the result of the DISM tool. After that, reboot your computer and try running Disk Cleanup again.

If Disk Cleanup works properly again, you can clean up your disk using it.

Here’s the Stopgap: Using the Disk Cleanup Alternative

If Disk Cleanup still refuses to open or work, then try the Disk Cleanup alternative. Here MiniTool Partition Wizard is recommended for file cleaning. As a professional partition manager, MiniTool Partition Wizard can analyze your disk usage and give a detailed report on disk usage, and based on that report, there should be a low risk of mis-deletion.

Here is how to safely remove files via MiniTool Partition Wizard.

Step 1: Get MiniTool Partition Wizard and launch it to access its main interface.

Free Download

Step 2: Click the Space Analyzer feature on the toolbar.

click the Space Analyzer feature

Step 3: Choose the partition to be analyzed and the software will automatically scan the partition.

select a partition to be scanned

Step 4: View the result and right-click the file to choose the Delete (to Recycle Bin) option or the Delete (Permanently) option.

Note: Judging by the file information like extension, file type, attribute, then determine whether to delete the file.

choose the Delete option

This is how to clean a partition through MiniTool Partition Wizard. When Disk Cleanup does not open or work, you can try the program to delete the unimportant files manually.

I have tried the Space Analyzer feature of MiniTool Partition Wizard, which offered me a detailed report on my drive space usage, including size, extension, file type, etc.Click to tweet

Bonus: Why Not Expand Your Drive

When a drive nearly gets full, we always choose to free up the disk using Disk Cleanup and the Windows utility provides lots of help. However, freeing up disk space might no longer be the first choice if you run into the issue “disk space full” frequently, and in this case, the best choice is to expand the full drive.

To expand the drive, you can still try MiniTool Partition Wizard — its Extend Partition feature can help you expand your partition as long as there is free space on the disk where the partition is.

Here is how to expand a partition using MiniTool Partition Wizard.

Step 1: Get MiniTool Partition Wizard and launch it to get its main interface.

Free Download

Note: If you want to extend your system partition without boot issue, please create MiniTool bootable media, then use it to boot your computer, and lastly extend the system partition.

Step 2: Highlight the partition to be expanded and then click the Expand Partition feature from the left pane.

Step 3: In the Extend Partition window, select where to obtain free space — you can choose one of the other existing partitions or unallocated space, then determine how much space you want to add to the target partition, and finally click the OK button.

Step 4: Click the Apply button on the program interface to execute the changes.

expand a partition using MiniTool Partition Wizard

This is how to expand a partition with MiniTool Partition Wizard. If your partition always goes full, you can perform the above steps.

Tip: If your whole hard drive always gets full, you can consider upgrading it to a larger one.

How to fix “Disk Cleanup not opening” and “Disk Cleanup not working Windows 10”? The post lists four solutions and one stopgap. It is worth reading and I share it with you guys.Click to tweet

Wait for Your News

Have you solved the issue “Disk Cleanup not opening or working”? Wait for your good news! If you find other solutions to the issue, please share them with us in the comment zone.

During reading, if you find something unclear in this post, please leave them in the comment zone and we will contact you as soon as possible. If you have some suggestions for the Disk Cleanup alternative — MiniTool Partition Wizard, please contact us via [email protected].

Disk Cleanup Won’t Open FAQ

How do I open Disk Cleanup?

There are many ways to open Disk Cleanup and the common five ways are displayed below.

Way 1: Type disk cleanup into the Windows search bar and then hit the Enter key.

Way 2: Open File Explorer, then right-click a drive and choose the Properties option, and finally click the Disk Cleanup button.

Way 3: Go to the path: Control Panel > System and Security > Administrative Tools > Disk Cleanup.

Way 4: Open Command Prompt or Windows PowerShell, type the cleanmgr command, and hit the Enter key.

Way 5: Press Windows + R to launch the Run dialog box, type cleanmgr, and click the OK button.

What should I not delete in Disk Cleanup?
Disk Cleanup will provide you with a list of different file categories after scanning a drive, such as “Temporary Internet files”, “Compress your OS drive”, and so on. Here’s a notice that some file categories should not be selected or deleted in case of some troubles.
Is CCleaner better than Disk Cleanup?
CCleaner does more relative to Disk Cleanup, but the more features of CCleaner are either unnecessary or highly damaging your system.
Does Disk Cleanup improve performance?
Yes, it does. Cleaning up the disk through the Disk Cleanup tool maximizes the computer’s storage space, boosts drive speed, and improves functionality. Moreover, the tool can clean unwanted programs and virus-infected files, which then improves computer reliability.
How do I clean up disk space?
There are eight tips for cleaning disk space: How to Clean up Your Computer? Top 8 Methods for You.
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