diskcopy.dll - How to Fix? Download Now

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

diskcopy.dll file Windows DiskCopy. 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 diskcopy.dll related errors on your device. You can also download diskcopy.dll file compatible with Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename diskcopy.dll
File extension DLL
Description Windows DiskCopy
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)

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

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



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


Problems related to diskcopy.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 diskcopy.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.

diskcopy.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 diskcopy.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 diskcopy.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 diskcopy.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 diskcopy.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the diskcopy.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 diskcopy.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 diskcopy.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 diskcopy.dll file

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

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

  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows XP: ---

If the steps did not solve your diskcopy.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 diskcopy.dll
System Windows 8.1
File size 1497600 bytes
Date 2014-11-21
File details
MD5 5b29cde9c143068f141c38497c48982d
SHA1 49f125f02da7800a27a298de14fd9b56b22376ce
SHA256 41d77bd52071899929791b7ebe15a00493a17f4189cfb54f9862a469c13109bb
CRC32 a7b96247
Example file location C:\Windows\System32\
Filename diskcopy.dll
System Windows 8
File size 1501696 bytes
Date 2012-07-26
File details
MD5 9afdaf45375638f0c3ccdb438038edaa
SHA1 5bea1f09bc0c1c995249bec53173e4b8b70f7ecc
SHA256 12f664dfc0e95a56ebea1d6c425274d76bcb658e267d200715ae990168999dfc
CRC32 02931260
Example file location 1: C:\Windows\System32\
Filename diskcopy.dll
System Windows 7
File size 1502208 bytes
Date 2009-07-14
File details
MD5 2812e2c5c2057c785a8a53f3d43b8341
SHA1 6761320c6cdc0870d1df62c2c988a8d1622cbc6e
SHA256 5efda3764c56268e5c42fe92f9c0e7fba92b69299fce7dc2bea5ec5a316bc0eb
CRC32 88e46821
Example file location C:\Windows\System32\
Filename diskcopy.dll
System Windows 7
File size 1502720 bytes
Date -0001-11-30
File details
MD5 a60b101ed732be90499eb7002b60a243
SHA1 0c8708dde32e1f8fcaabc7fbe7a295c2adb9521f
SHA256 2398362153a349473f03e8709921ce8aa9dee8170e8b682972a80107f97ff98b
CRC32 67c1c383
Example file location C:\Windows\System32\
Filename diskcopy.dll
System Windows Vista
File size 1502720 bytes
Date -0001-11-30
File details
MD5 393e4608ab2c126c73f36b568490c3f1
SHA1 5725eefad145e2995259208591e7b8b9150310e3
SHA256 ee65fe2a1c3cf55f0455f727d9ee304c61b081bb82e953ca03545fa3a06b5e08
CRC32 c073486a
Example file location C:\Windows\SysWOW64\
Filename diskcopy.dll
System Windows Vista
File size 1502208 bytes
Date 2006-11-02
File details
MD5 bd2bdd400acf47f22089095bf75b8a32
SHA1 114c47a745dcdefe2d45afdbf5c6b5bb3b3e9a5f
SHA256 6c5a14b6c3fcf3d5091cbdc696b05494ae2737fb85616197ea96c5ec05d8d9ed
CRC32 513a0c56
Example file location C:\Windows\SysWOW64\
Filename diskcopy.dll
System Windows XP
File size 1504256 bytes
Date 2008-04-14
File details
MD5 d62e7a444ffba599a49c0bf93fb004f1
SHA1 d53b5e4f221d4cb8ddae0cb6fe73e22796aaae5a
SHA256 4d902f56e0ea7cf8c8abeab710ec99ef3bf034808d31c015efd4482ef3b5b9ad
CRC32 31ed804f
Example file location ---