CERT File Extension

What is CERT file?

CERT filename suffix is mostly used for Netscape Certificate Index files. Netscape Certificate Index format was developed by AOL Inc.. CERT file format is compatible with software that can be installed on Windows system platform. CERT file belongs to the Web Files category just like 303 other filename extensions listed in our database. The most popular software that supports CERT files is Netscape Navigator. On the official website of AOL Inc. developer not only will you find detailed information about theNetscape Navigator software, but also about CERT and other supported file formats.

Programs which support CERT file extension

Programs that can handle CERT files are as follows. CERT 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 CERT extension?

There can be multiple causes why you have problems with opening CERT files on given system. What is important, all common issues related to files with CERT extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with CERT files.

Step 1. Get the Netscape Navigator

The main and most frequent cause precluding users form opening CERT files is that no program that can handle CERT files is installed on user’s system. To address this issue, go to the Netscape Navigator developer website, download the tool, and install it. It is that easy Above you will find a complete listing of programs that support CERT files, classified according to system platforms for which they are available. The safest method of downloading Netscape Navigator installed is by going to developer’s website (AOL Inc.) and downloading the software using provided links.

Step 2. Verify the you have the latest version of Netscape Navigator

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problems with opening CERT files still occur even after installing Netscape Navigator, it is possible that you have an outdated version of the software.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 The reason that Netscape Navigator cannot handle files with CERT may be that the software is outdated.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

Step 3. Assign Netscape Navigator to CERT files

If the issue has not been solved in the previous step, you should associate CERT files with latest version of Netscape Navigator you have installed 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 CERT file and choose Open with option
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Netscape Navigator is installed. Now all that is left is to confirm your choice by selecting Always use this app to open CERT files and clicking OK.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with CERT extension, select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with CERT extension. By clicking Continue you confirm your selection.

Step 4. Verify that the CERT is not faulty

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

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

If the CERT is indeed infected, it is possible that the malware is blocking it from opening. Scan the CERT file as well as your computer for malware or viruses. CERT file is infected with malware? Follow the steps suggested by your antivirus software.

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

If you obtained the problematic CERT file from a third party, ask them to supply you with another copy. 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 CERT extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access 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 Netscape Certificate Index file.

4. Make sure that the system has sufficient resources to run Netscape Navigator

The operating systems may note enough free resources to run the application that support CERT files. Close all running programs and try opening the CERT 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 Netscape Certificate Index files. It may be the case that the CERT files work properly with updated software that addresses some system bugs.

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