DfrgRes.dll - Repair Issues and Download

Sometimes Windows system displays error messages regarding corrupted or missing DfrgRes.dll 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 DfrgRes.dll file can therefore effect in failed execution of the started process.

DfrgRes.dll file Disk Defragmenter Resource 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 DfrgRes.dll related errors on your device. You can also download DfrgRes.dll file compatible with Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows Vista, Windows Vista, Windows XP

File info

General information
Filename DfrgRes.dll
File extension DLL
Description Disk Defragmenter Resource Module
Program Windows Disk Defragmenter
Author Microsoft Corp. and Executive Software International, Inc.
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights ©2001 Microsoft Corp. and Executive Software Int'l, Inc.
Character set Unicode
Language cod English (U.S.)

There are various types of errors related to DfrgRes.dll file. DfrgRes.dll 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 DfrgRes.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to DfrgRes.dll 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 DfrgRes.dll 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.

DfrgRes.dll 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

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with DfrgRes.dll 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.

Windows Update

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

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. 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 DfrgRes.dll 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

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 DfrgRes.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the DfrgRes.dll file with properly working version. To use the tool:

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

Step 4: Restoring Windows system

Windows Recovery

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

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

If all the above-mentioned methods failed and the DfrgRes.dll 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 DfrgRes.dll file

The last solution is to manually download and replace DfrgRes.dll 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 DfrgRes.dll file.

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

  • Windows Vista: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows XP: C:\WINDOWS\system32\dllcache\

If the steps did not solve your DfrgRes.dll 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 DfrgRes.dll
System Windows Vista
File size 31744 bytes
Date -0001-11-30
File details
MD5 26a91cbd8c7c5ec94b819051291de51f
SHA1 4f27b237a5155af34396bb2cc07df0ef7701c2c6
SHA256 207aa7b26ecdcec5f673967a70c8107040661192dfd6e2d787502aa58da0948d
CRC32 5e9b6c4b
Example file location C:\Windows\SysWOW64\
Filename DfrgRes.dll
System Windows Vista
File size 31744 bytes
Date 2006-11-02
File details
MD5 4c0e76895b18215b07524e5c4197f410
SHA1 292cf59109e8870909f13f03639d7a294ceb7c80
SHA256 916cde52718406b2355a4f1a2064d8583711b429d1fea3b7e402cd910a3973d1
CRC32 3d447855
Example file location C:\Windows\SysWOW64\
Filename DfrgRes.dll
System Windows XP
File size 51200 bytes
Date 2008-04-14
File details
MD5 7dac4089bca671c305bb61242cde29f8
SHA1 6259766dff22088489e1c46f3c4e2cbd666379e1
SHA256 983168da6a7450b1f21f2f7d4a3c46a1093f27a22bdfdbcbad633f1f72917002
CRC32 d13f3717
Example file location C:\WINDOWS\system32\dllcache\