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Disk Cleanup
Posted by _Liz G., Last modified by George M. on 20 April 2017 06:41 PM
Disk Cleanup

The Disk Cleanup is a Windows utility that helps you free up space on your hard disk by searching your disk for files that can safely be deleted. You can choose to delete some or all of the files. Use Disk Cleanup to perform any of the following tasks to free up space on your hard disk: 

  • Remove temporary Internet files.
  • Remove downloaded program files. For example, ActiveX controls and Java applets that are downloaded from the Internet.
  • Empty the Recycle Bin.
  • Remove Windows temporary files.
  • Remove optional Windows components that you are not using.
  • Remove installed programs that you no longer use.

Follow the steps listed below in order to run the Disk Cleanup utility:

1. Press and Hold the Windows Key and tap the R key release both keys at the same time.

2. A Run dialogue box will appear. When it does, please delete the existing text in the box.

3. Type cleanmgr.exe in the run dialogue box and then click OK.

4. The Disk Cleanup dialogue box will appear indicating "Disk Cleanup is calculating how much space you will be able to free up on OSDISK (C:)" and when the progress bar completes it will provide you a list of check boxes. Occasionally, you may be asked to select the drive to scan. If this question is presented choose drive "C:" and then click OK.

Make sure all of the following, and only the following boxes are checked/selected:
  • Downloaded Program Files
  • Temporary Internet Files
  • Offline Webpages
  • Recycle bin (If there is a file in this area you moved to trash but may want to keep, remove the file from the recycle bin before completing this or do not check this box.) It would be recommended to clean the recycle bin because if an infection was deleted and is in the recycle bin it can still potentially run.
  • Temporary Files
  • Thumbnails

You must be logged in as administrator to run this program. Otherwise you will get an error indicating you have insufficient permissions to clean up system files.

5. Click the OK button. You may be prompted asking if you are sure you want to perform the action. If you do get prompted Click Delete Files.

Disk Cleanup is complete when the progress screen disappears.

For further assistance -




Additional user information may be found via the StopSign KNOWLEDGE BASE.

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