What is defrag.exe?

defrag.exe is part of Windows Disk Defragmenter and developed by Microsoft Corp. according to the defrag.exe version information.

defrag.exe's description is "Disk Defragmenter Module"

defrag.exe is digitally signed by Microsoft Windows.

defrag.exe is usually located in the 'C:\Windows\system32\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about defrag.exe.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on defrag.exe:

PropertyValue
Product nameWindows Disk Defragmenter
Company nameMicrosoft Corp.
File descriptionDisk Defragmenter Module
Internal nameDefrag.EXE
Original filenameDefrag.EXE.MUI
Legal copyright© 2007 Microsoft Corp.
Product version6.1.7600.16385
File version6.1.7600.16385 (win7_rtm.090713-1255)

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameWindows Disk Defragmenter
Company nameMicrosoft Corp.
File descriptionDisk Defragmenter Module
Internal nameDefrag.EXE
Original filenameDefrag.EXE.MUI
Legal copyright© 2007 Microsoft Corp.
Product version6.1.7600.16385
File version6.1.7600.16385 (win7_rtm.090713-1255)

Digital signatures [?]

defrag.exe has a valid digital signature.

PropertyValue
Signer nameMicrosoft Windows
Certificate issuer nameMicrosoft Windows Verification PCA
Certificate serial number6101c6c1000000000007

VirusTotal report

None of the 48 anti-virus programs at VirusTotal detected the defrag.exe file.

None of the 48 anti-virus programs detected the defrag.exe file.

Hashes [?]

PropertyValue
MD58fd0ec6eb52f9efe15b7a605c827932c
SHA25662e449589e1f082e8de3fa4d775871e1c66a272e3bd1fe5cc33eeeb40351cd13

Error Messages

These are some of the error messages that can appear related to defrag.exe:

defrag.exe has encountered a problem and needs to close. We are sorry for the inconvenience.

defrag.exe - Application Error. The instruction at "0xXXXXXXXX" referenced memory at "0xXXXXXXXX". The memory could not be "read/written". Click on OK to terminate the program.

Disk Defragmenter Module has stopped working.

End Program - defrag.exe. This program is not responding.

defrag.exe is not a valid Win32 application.

defrag.exe - Application Error. The application failed to initialize properly (0xXXXXXXXX). Click OK to terminate the application.

What will you do with defrag.exe?

To help other users, please let us know what you will do with defrag.exe:



What did other users do?

The poll result listed below shows what users chose to do with defrag.exe. 0% have voted for removal. Based on votes from 66 users.

Votes
Keep100 %
66
Remove0 %
0

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.

Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

No comments posted yet.

Leave a reply