Practical Guide to Repairing and Recovering .KO Files

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 .KO file recovery guide for Windows, MacOS, Android and IOS in 2024.

Practical Guide to Repairing and Recovering .KO Files
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What is a .KO file?

Module file used by the Linux kernel, the central component of the Linux operating system; contains program code that extends the functionality of the Linux kernel, such as code for a computer device driver; can be loaded without restarting the operating system; may have other required module dependencies that must be loaded first.

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

There can be several common causes for ".KO" (kernel object) files lost or failure:

  1. Accidental deletion: Users may accidentally delete ".KO" files while organizing or cleaning up their system.
  2. Software or hardware issues: Issues with the operating system, software, or hardware can lead to ".KO" file corruption or loss. This can occur due to power outages, system crashes, software bugs, or incompatible hardware.
  3. Virus or malware attacks: Malicious software can infect and corrupt ".KO" files, leading to their loss or failure.
  4. Disk errors: Physical or logical errors on the disk can cause ".KO" files to become inaccessible or get deleted.
  5. Improper shutdown: If the system is not shut down properly, it can result in ".KO" file corruption or loss.
  6. Software conflicts: Conflicts between different software programs or incompatible versions of software can cause ".KO" files to fail or become inaccessible.
  7. Human error: Mistakes made by users, such as accidental formatting of drives or improper handling of files, can lead to ".KO" file loss.
  8. Operating system upgrades or updates: Sometimes, when upgrading or updating the operating system, ".KO" files may get overwritten or become incompatible with the new system version.

It is always recommended to regularly backup important files, including ".KO" files, to prevent loss or failure in case of any unforeseen circumstances.

How to recover lost ".KO" 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 ".KO" file may be deleted.

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🧺 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 ".KO" file is always to create it once more.

Use programs for recovering ".KO" 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 ".KO" 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 ".KO" 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 ".KO" extension?

Looking for how to open a stereo linux Kernel Module File image file file?

Programs that open ".KO" files

Windows
HEX Editor HEX Editor

Additional Information

  • File type: Linux Kernel Module File

  • File extension: .KO

  • Developer: N/A

  • Category: System Files

  • Format: Binary

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Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 16:41 #
    Leave a comment if you have any questions about Recovering lost .KO 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 the purpose of the ".KO Recovery" feature?

    The ".KO Recovery" feature is designed to automatically recover a system from a kernel panic or crash. When a kernel panic occurs, the operating system (OS) becomes unresponsive and stops functioning properly. The ".KO Recovery" feature helps to identify the cause of the crash and attempts to recover the system by reloading the necessary kernel modules (KO files) and restarting the system services. This feature is particularly useful in systems where continuous uptime is critical, as it minimizes the downtime caused by kernel crashes and improves overall system reliability.

  • How does the ".KO Recovery" process work?

    The ".KO Recovery" process refers to the recovery process of a kernel object file (.KO file) in Linux.

    When a kernel module is loaded into the Linux kernel, it is represented as a .KO file. Kernel modules are used to add functionality to the kernel without the need to rebuild or recompile the entire kernel. They can be loaded or unloaded dynamically, providing flexibility and modularity to the Linux system.

    The recovery process of a .KO file involves the following steps:

    1. Identify the issue: The first step is to identify the problem or issue that caused the kernel module to crash or fail. This can be done by checking system logs, error messages, or any other relevant information.
    2. Unload the module: If the kernel module is currently loaded, it needs to be unloaded before attempting recovery. This can be done using the "rmmod" command, which removes the module from the kernel.
    3. Rebuild the module: In some cases, the kernel module may need to be rebuilt if it is outdated or incompatible with the current kernel version. This involves compiling the source code of the module and generating a new .KO file.
    4. Load the module: Once the module is rebuilt or if it was not necessary to rebuild, it can be loaded back into the kernel using the "insmod" or "modprobe" command. This will insert the module into the kernel and make its functionality available.
    5. Verify functionality: After the module is loaded, it is important to verify that it is functioning correctly. This can be done by checking system logs, running tests, or performing any necessary actions that utilize the module's functionality.
    6. Monitor for stability: It is advisable to monitor the system for stability and any potential issues after the recovery process. This helps ensure that the problem has been resolved and that the module is working properly.

    Overall, the ".KO Recovery" process involves identifying the issue, unloading the module, rebuilding (if necessary), loading the module back into the kernel, verifying functionality, and monitoring for stability.

  • Can the ".KO Recovery" feature be used for any type of file or only specific file formats?

    The ".KO Recovery" feature refers to a specific file recovery method used in Linux systems for recovering kernel modules. It is not applicable to recovering any type of file or specific file formats. The ".KO Recovery" feature is specifically designed for recovering and repairing kernel modules in Linux, which are responsible for providing functionality to the operating system.
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