ZL9 File Extension

What is ZL9 file?

ZL9 is a file extension commonly associated with ZoneAlarm Quarantined EXE Format files. ZoneAlarm defined the ZoneAlarm Quarantined EXE Format format standard. Files with ZL9 extension may be used by programs distributed for Windows platform. ZL9 file belongs to the Executable Files category just like 140 other filename extensions listed in our database. Users are advised to use ZoneAlarm Antivirus software for managing ZL9 files, although 1 other programs can also handle this type of file.

Programs which support ZL9 file extension

Below is a table that list programs that support ZL9 files. Files with ZL9 extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

How to open file with ZL9 extension?

There can be multiple causes why you have problems with opening ZL9 files on given system. On the bright side, the most encountered issues pertaining to ZoneAlarm Quarantined EXE 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. Install ZoneAlarm Antivirus software

The most common reason for such problems is the lack of proper applications that supports ZL9 files installed on the system. This one is an easy one. Select ZoneAlarm Antivirus or one of the recommended programs (for example, ZoneAlarm Pro) and download it from appropriate source and install on your system. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download ZoneAlarm Antivirus installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Verify the you have the latest version of ZoneAlarm Antivirus

If the problems with opening ZL9 files still occur even after installing ZoneAlarm Antivirus, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of ZoneAlarm Antivirus is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that ZoneAlarm Antivirus cannot handle files with ZL9 may be that the software is outdated. The latest version of ZoneAlarm Antivirus should support all file formats that where compatible with older versions of the software.

Step 3. Associate ZoneAlarm Quarantined EXE Format files with ZoneAlarm Antivirus

If you have the latest version of ZoneAlarm Antivirus installed and the problem persists, select it as the default program to be used to manage ZL9 on your device. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the ZL9 file
• 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 ZoneAlarm Antivirus installation folder. Confirm by checking Always use this app to open ZL9 files box and clicking OK button.

Selecting the first-choice application in Mac OS

• By clicking right mouse button on the selected ZL9 file open the file menu and choose Information
• Open the Open with section by clicking its name
• Select the appropriate software and save your settings by clicking Change all
• Finally, a This change will be applied to all files with ZL9 extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the ZL9 for errors

Should the problem still occur after following steps 1-3, check if the ZL9 file is valid. Problems with opening the file may arise due to various reasons.

1. Check the ZL9 file for viruses or malware

If the file is infected, the malware that resides in the ZL9 file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. ZL9 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with ZL9 extension is complete and error-free

Did you receive the ZL9 file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with ZL9 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

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. Log out of your current account and log in to an account with sufficient access privileges. Then open the ZoneAlarm Quarantined EXE Format file.

4. Check whether your system can handle ZoneAlarm Antivirus

If the systems has insufficient resources to open ZL9 files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with ZoneAlarm Quarantined EXE Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle ZL9 files.

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