Practical Methods for Repairing Corrupted .KDC Files on Different Devices

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .KDC file recovery guide for Windows, MacOS, Android and IOS in 2024.

Practical Methods for Repairing Corrupted .KDC Files on Different Devices
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What is a .KDC file?

Update file used by Kaspersky Lab's system security software; contains virus definitions that are used for detecting and quarantining viruses; may also be used during the system rescue process for removing malicious software; may be downloaded periodically for keeping the software and definitions up-to-date.

What Are Common Causes of ".KDC" Files Lost or Failure?

There can be several common causes of ".KDC" files lost or failure:

  1. Accidental deletion: Users may accidentally delete the ".KDC" files while managing their files or folders, leading to their loss.
  2. File system corruption: If the file system on the storage device where the ".KDC" files are located gets corrupted, it can result in the loss or failure of the files.
  3. Virus or malware attack: Malicious software can infect and corrupt ".KDC" files, making them inaccessible or causing their loss.
  4. Hardware failure: Issues with the storage device, such as a hard drive failure or bad sectors, can lead to the loss or failure of ".KDC" files.
  5. Software or application issues: Errors or bugs in the software or application associated with ".KDC" files can cause them to become corrupted or fail to open.
  6. Improper file transfer or interruption: If there is an interruption during the transfer of ".KDC" files, such as a sudden power outage or network failure, it can result in their loss or failure.
  7. Operating system issues: Problems with the operating system, such as crashes or conflicts, can lead to the loss or failure of ".KDC" files.
  8. Human error: Mistakes made by users, such as accidental formatting of the storage device or improper handling of files, can cause the loss or failure of ".KDC" files.

It is important to regularly backup important files, including ".KDC" files, to prevent loss and to use reliable data recovery methods in case of any failure.

How to recover lost ".KDC" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".KDC" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".KDC" file is always to create it once more.

Use programs for recovering ".KDC" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".KDC" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

Partition Recovery™ 4.9
The tool recovers data from any devices, regardless of the cause of data loss.
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Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software

  3. Double-click on the disk from which you need to recover ".KDC" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type

  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored

  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan

  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery

  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".KDC" extension?

Looking for how to open a stereo kaspersky Virus Database File image file file?

Programs that open ".KDC" files

Windows
Kaspersky Anti-Virus Kaspersky Anti-Virus
Kaspersky Internet Security Kaspersky Internet Security
Mac
Kaspersky Internet Security for Mac Kaspersky Internet Security for Mac

Additional Information

  • File type: Kaspersky Virus Database File

  • File extension: .KDC

  • Developer: Kaspersky Lab

  • Category: Data Files

  • Format: Binary

  • Mime-type: application/octet-stream

  • HEX: 4B 44 43 31 00 01 0A

  • ASCII: MM*

  • File types that use the extension .KDC:

    • Kaspersky Virus Database File

    • Kodak Photo-Enhancer File

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We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 12:30 #
    Leave a comment if you have any questions about Recovering lost .KDC files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.

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Questions and answers

  • What is a ".KDC backup" file and how is it created?

    A ".KDC backup" file is a backup file created by the Kerberos Key Distribution Center (KDC) service.

    The KDC is a component of the Kerberos authentication protocol, which is used for secure authentication in computer networks. It is responsible for issuing and managing tickets that allow users to authenticate themselves to various network services.

    The ".KDC backup" file contains a backup of the KDC database, which includes information about user accounts, encryption keys, and other authentication-related data. This backup is essential for disaster recovery or when migrating the KDC to a new server.

    The process of creating a ".KDC backup" file may vary depending on the implementation of Kerberos being used. In general, it involves using administrative tools or commands provided by the Kerberos software to initiate the backup process. The backup file is typically created in a specified location, often encrypted or secured to protect sensitive information.

    It is important to regularly create backups of the KDC database to ensure the availability and integrity of authentication data in case of system failures or data loss.

  • How can I restore a ".KDC backup" file to its original format?

    To restore a ".KDC backup" file to its original format, you can follow these steps:

    1. Determine the type of file that was originally backed up. ".KDC" is not a common file extension, so you need to identify the file type it represents. It could be an image, document, database, or any other file format.
    2. Research the software or application associated with the file type. Find out which program is used to open and manipulate files of that format. For example, if it is an image file, you might need an image editing software like Adobe Photoshop or GIMP.
    3. Install the necessary software or application on your computer. Make sure you download a trusted and legitimate version from the official website of the software provider.
    4. Open the software and navigate to the file menu or import option. Look for an option to open or import a file. Some applications may have a specific restore or recovery feature for backup files.
    5. Locate the ".KDC backup" file on your computer. If you don't know the exact location, use the search function in your operating system to find it.
    6. Select the ".KDC backup" file and open it in the software or application. Follow the on-screen instructions to complete the restoration process. The software should convert the backup file to its original format.
    7. Save the restored file in a desired location on your computer. You may be prompted to choose a file name or specify a destination folder.
    8. Verify that the restored file is in the correct format and can be opened with the associated software or application. Open the file using the appropriate program and ensure it appears as expected.

    Note: If you are unable to determine the original file format or find the appropriate software, you may need to seek assistance from a technical expert or the source of the backup file.

  • Are there any specific software or tools required to open and access the contents of a ".KDC backup" file?

    Yes, to open and access the contents of a ".KDC backup" file, you would typically need Kodak EasyShare software. KDC files are proprietary raw image files created by Kodak digital cameras, and the backup files contain additional data and information related to the images. The Kodak EasyShare software allows you to import and manage these files. However, please note that Kodak EasyShare software has been discontinued, and it may not be compatible with the latest operating systems. In such cases, you can try using alternative software or converters that support KDC files, such as Adobe Photoshop, ACDSee, or XnView.
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