KLZ File Extension

What is KLZ file?

Full format name of files that use KLZ extension is Kaspersky Anti-Virus Update Format. KLZ files are supported by software applications available for devices running Windows. KLZ file format, along with 6033 other file formats, belongs to the Misc Files category. The software recommended for managing KLZ files is Kaspersky Anti-Virus. Kaspersky Anti-Virus software was developed by Kaspersky Lab, and on its official website you may find more information about KLZ files or the Kaspersky Anti-Virus software program.

Programs which support KLZ file extension

The following listing features KLZ-compatible programs. Files with KLZ suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 05/30/2020

How to open file with KLZ extension?

Being unable to open files with KLZ extension can be have various origins. On the bright side, the most encountered issues pertaining to Kaspersky Anti-Virus Update Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Kaspersky Anti-Virus

The main and most frequent cause precluding users form opening KLZ files is that no program that can handle KLZ files is installed on user’s system. The solution to this problem is very simple. Download Kaspersky Anti-Virus and install it on your device. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Kaspersky Anti-Virus website and download the installer.

Step 2. Update Kaspersky Anti-Virus to the latest version

If the problems with opening KLZ files still occur even after installing Kaspersky Anti-Virus, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Kaspersky Anti-Virus is available. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why KLZ files are not compatible with Kaspersky Anti-Virus. The latest version of Kaspersky Anti-Virus should support all file formats that where compatible with older versions of the software.

Step 3. Assign Kaspersky Anti-Virus to KLZ files

If you have the latest version of Kaspersky Anti-Virus installed and the problem persists, select it as the default program to be used to manage KLZ on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Right-click the KLZ file and choose Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Kaspersky Anti-Virus installation folder. Confirm by checking Always use this app to open KLZ files box and clicking OK button.

Change the default application in Mac OS

• Right-click the KLZ file and select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select Kaspersky Anti-Virus and click Change for all...
• Finally, a This change will be applied to all files with KLZ extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the KLZ is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper KLZ file. Problems with opening the file may arise due to various reasons.

1. Check the KLZ file for viruses or malware

If the KLZ is indeed infected, it is possible that the malware is blocking it from opening. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. KLZ file is infected with malware? Follow the steps suggested by your antivirus software.

2. Verify that the KLZ file’s structure is intact

If the KLZ file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with KLZ extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Kaspersky Anti-Virus Update Format file again.

4. Verify that your device fulfills the requirements to be able to open Kaspersky Anti-Virus

The operating systems may note enough free resources to run the application that support KLZ files. Close all running programs and try opening the KLZ file.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Kaspersky Anti-Virus Update Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle KLZ files.

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