Download and Fix Defrag.exe

Sometimes Windows system displays error messages regarding corrupted or missing Defrag.exe files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent Defrag.exe file can therefore effect in failed execution of the started process.

Defrag.exe file Disk Defragmenter Module. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of Defrag.exe related errors on your device. You can also download Defrag.exe file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, Windows XP

User popularity

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download Defrag.exe

4.1 List of Defrag.exe file versions

File info

General information
Filename	Defrag.exe
File extension	EXE
Description	Disk Defragmenter Module

Software
Program	Windows Drive Optimizer
Author	Microsoft Corp.

Details
MIME type	application/octet-stream
File type	Executable application
System	Windows NT 32-bit
Copyrights	© 2013 Microsoft Corp.
Character set	Unicode
Language cod	English (U.S.)

Most common Defrag.exe file related problems

There are various types of errors related to Defrag.exe file. Defrag.exe file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to Defrag.exe file. If you encounter one listed below (or similar), please consider the following suggestions.

Defrag.exe is corrupted
Defrag.exe cannot be located
Runtime Error - Defrag.exe
Defrag.exe file error
Defrag.exe file cannot be loaded. Module was not found
cannot register Defrag.exe file:
Defrag.exe file could not be loaded
Defrag.exe file doesn't exist

Defrag.exe

Application could not be started because Defrag.exe file is missing. Reinstall the application to solve the problem.

Problems related to Defrag.exe can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing Defrag.exe file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

How to fix Defrag.exe errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

Defrag.exe file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with Defrag.exe file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Installing relevant Microsoft Windows patches and updates may solve your problems related to Defrag.exe file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of Defrag.exe or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to Defrag.exe file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the Defrag.exe file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the Defrag.exe file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the Defrag.exe file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace Defrag.exe file

The last solution is to manually download and replace Defrag.exe file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded Defrag.exe file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of Defrag.exe file example directory paths.

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\System32\
Windows Vista: C:\Windows\System32\
Windows XP: ---

If the steps did not solve your Defrag.exe file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename Defrag.exe

System Windows 10

File size 179712 bytes

Date 2017-03-18

Download

File details
	MD5	64842a75cd24175280b2df010bea76f0
	SHA1	36c37e14bb4ed0cdb7c33d98ecbd6e18692afe88
	SHA256	627a78aab66269f4f2273615138cb5ba7ea8552e75f27e50b2caef3323a89d99
	CRC32	12802cdd
	Example file location	C:\Windows\System32\

Filename Defrag.exe

System Windows 8.1

File size 178688 bytes

Date 2014-11-21

Download

File details
	MD5	d52e06a11bdf027e15eb93d8238bfe52
	SHA1	a22478220a304b383855669d2a53bc19809cc7dc
	SHA256	fa2859984aab6ac8fccb53f462b9d817453567c33c6a205048456bc0f96950fc
	CRC32	dda5b72b
	Example file location	C:\Windows\System32\

Filename Defrag.exe

System Windows 8

File size 175104 bytes

Date 2012-07-26

Download

File details
	MD5	e380b09f773c1030e0739a02a3ed2fd6
	SHA1	c311340ffac9cda8f18e5be3b49fa24a6486ac5c
	SHA256	a3525ba48524aee66a0f1094f5d1562c53d94d17dbe7043ba4f8def2c6278273
	CRC32	c35560e8
	Example file location	1: C:\Windows\System32\

Filename Defrag.exe

System Windows 7

File size 183296 bytes

Date 2009-07-14

Download

File details
	MD5	8fd0ec6eb52f9efe15b7a605c827932c
	SHA1	8dbf4ecae1bbad74c91fa37603353ecfdc47425e
	SHA256	62e449589e1f082e8de3fa4d775871e1c66a272e3bd1fe5cc33eeeb40351cd13
	CRC32	722f9739
	Example file location	C:\Windows\System32\

Filename Defrag.exe

System Windows Vista

File size 232960 bytes

Date 2008-01-21

Download

File details
	MD5	b309fdaed2d3157e10268d22c5eafec6
	SHA1	b43698558c68c2e1d0d0d4b84bf318c8be3070f5
	SHA256	bd0562b238d67bf417beb5c2439ba1f9cd2a95b233e14b209c753771af40ae2f
	CRC32	ae2b218b
	Example file location	C:\Windows\System32\

Filename Defrag.exe

System Windows XP

File size 25088 bytes

Date 2008-04-14

Download

File details
	MD5	29d41e4ed94b2048f96583d18bc1950f
	SHA1	09cde999d8916f311065da375bd17eed3abe6964
	SHA256	0948a45d035b0b066b9a4a9239dea890bd28de517ac145cedfa093b0de810796
	CRC32	013dbe33
	Example file location	---