ISR File Extension

What is ISR file?

ISR filename suffix is mostly used for InstallShield Uninstall Information Format files. ISR files are supported by software applications available for devices running Windows. Files with ISR extension are categorized as Data Files files. The Data Files subset comprises 1326 various file formats. The software recommended for managing ISR files is InstallShield. InstallShield software was developed by Flexera Software, Inc., and on its official website you may find more information about ISR files or the InstallShield software program.

Programs which support ISR file extension

The following listing features ISR-compatible programs. ISR 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 ISR extension?

There can be multiple causes why you have problems with opening ISR files on given system. Fortunately, most common problems with ISR files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with ISR files.

Step 1. Download and install InstallShield

The most common reason for such problems is the lack of proper applications that supports ISR files installed on the system. The solution is straightforward, just download and install InstallShield. 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 InstallShield website and download the installer.

Step 2. Update InstallShield to the latest version

If the problems with opening ISR files still occur even after installing InstallShield, it is possible that you have an outdated version of the software.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

Step 3. Set the default application to open ISR files to InstallShield

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

The procedure to change the default program in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the ISR file
• Next, select the Choose another app option and then using More apps open the list of available applications
• The last step is to select Look for another app on this PC option supply the directory path to the folder where InstallShield is installed. Now all that is left is to confirm your choice by selecting Always use this app to open ISR files and clicking OK.

The procedure to change the default program in Mac OS

• From the drop-down menu, accessed by clicking the file with ISR extension, select Information
• Find the Open with option – click the title if its hidden
• From the list choose the appropriate program and confirm by clicking Change for all....
• Finally, a This change will be applied to all files with ISR extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the ISR 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 ISR file. Being unable to access the file can be related to various issues.

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

If the ISR is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. ISR file is infected with malware? Follow the steps suggested by your antivirus software.

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

If the ISR file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the ISR file has been downloaded from the internet only partially, try to redownload it.

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

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 InstallShield Uninstall Information Format file again.

4. Check whether your system can handle InstallShield

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

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

Latest versions of programs and drivers may help you solve problems with InstallShield Uninstall Information Format files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle ISR files.

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