ZL4 File Extension

What is ZL4 file?

ZL4 filename suffix is mostly used for ZoneAlarm Mailsafe Renamed CHM files. ZoneAlarm Mailsafe Renamed CHM format was developed by Check Point Software Technologies Ltd.. Files with ZL4 extension may be used by programs distributed for Windows platform. ZL4 file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The software recommended for managing ZL4 files is ZoneAlarm Pro. Software named ZoneAlarm Pro was created by Check Point Software Technologies Ltd.. In order to find more detailed information on the software and ZL4 files, check the developer’s official website.

Programs which support ZL4 file extension

The following listing features ZL4-compatible programs. ZL4 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with ZL4 extension?

Being unable to open files with ZL4 extension can be have various origins. On the bright side, the most encountered issues pertaining to ZoneAlarm Mailsafe Renamed CHM files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the ZoneAlarm Pro

The main and most frequent cause precluding users form opening ZL4 files is that no program that can handle ZL4 files is installed on user’s system. The solution to this problem is very simple. Download ZoneAlarm Pro and install it on your device. The full list of programs grouped by operating systems can be found above. If you want to download ZoneAlarm Pro installer in the most secured manner, we suggest you visit Check Point Software Technologies Ltd. website and download from their official repositories.

Step 2. Check the version of ZoneAlarm Pro and update if needed

If the problems with opening ZL4 files still occur even after installing ZoneAlarm Pro, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of ZoneAlarm Pro is available. Software developers may implement support for more modern file formats in updated versions of their products. The reason that ZoneAlarm Pro cannot handle files with ZL4 may be that the software is outdated. The latest version of ZoneAlarm Pro should support all file formats that where compatible with older versions of the software.

Step 3. Associate ZoneAlarm Mailsafe Renamed CHM files with ZoneAlarm Pro

If the issue has not been solved in the previous step, you should associate ZL4 files with latest version of ZoneAlarm Pro you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Right-click the ZL4 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 ZoneAlarm Pro installation folder. Confirm by checking Always use this app to open ZL4 files box and clicking OK button.

The procedure to change the default program in Mac OS

• Right-click the ZL4 file and select Information
• Open the Open with section by clicking its name
• Select ZoneAlarm Pro and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with ZL4 extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the ZL4 is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the ZL4 file in question. Problems with opening the file may arise due to various reasons.

1. The ZL4 may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the ZL4 file hinders attempts to open it. Scan the ZL4 file as well as your computer for malware or viruses. If the scanner detected that the ZL4 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

Did you receive the ZL4 file in question from a different person? Ask him/her to send it one more time. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with ZL4 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the ZoneAlarm Mailsafe Renamed CHM file again.

4. Make sure that the system has sufficient resources to run ZoneAlarm Pro

If the system is under havy load, it may not be able to handle the program that you use to open files with ZL4 extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with ZoneAlarm Mailsafe Renamed CHM files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with ZL4 files affecting older versions of given software.

Do you want to help?

If you have additional information about the ZL4 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on ZL4 file.