HP4 file icon

HP4 File Extension

Harpoon Classic Game Data Format

What is HP4 file?

HP4 is a file extension commonly associated with Harpoon Classic Game Data Format files. HP4 file format is compatible with software that can be installed on Windows system platform. HP4 file format, along with 1509 other file formats, belongs to the Game Files category. The most popular software that supports HP4 files is .

Programs which support HP4 file extension

The following listing features HP4-compatible programs. Files with HP4 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.

Programs that support HP4 file

Windows Windows

Updated: 01/24/2020

How to open file with HP4 extension?

Problems with accessing HP4 may be due to various reasons. Fortunately, most common problems with HP4 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install

Install software to open HP4 file The main and most frequent cause precluding users form opening HP4 files is that no program that can handle HP4 files is installed on user’s system. To address this issue, go to the developer website, download the tool, and install it. It is that easy On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Check the version of and update if needed

Update software that support file extension HP4You still cannot access HP4 files although is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why HP4 files are not compatible with . The most recent version of is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open HP4 files to

If you have the latest version of installed and the problem persists, select it as the default program to be used to manage HP4 on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with HP4 file on Windows

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the HP4 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 is installed. Now all that is left is to confirm your choice by selecting Always use this app to open HP4 files and clicking OK.
Associate software with HP4 file on Mac

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with HP4 extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • 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 HP4 extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the HP4 is not faulty

Should the problem still occur after following steps 1-3, check if the HP4 file is valid. Problems with opening the file may arise due to various reasons.

Check HP4 file for viruses
1. The HP4 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 HP4 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. If the scanner detected that the HP4 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with HP4 extension is complete and error-free

If the HP4 file was sent to you by someone else, ask this person to resend the file to you. 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 HP4 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 in using an administrative account and see If this solves the problem.

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

The operating systems may note enough free resources to run the application that support HP4 files. Close all running programs and try opening the HP4 file.

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

Latest versions of programs and drivers may help you solve problems with Harpoon Classic Game Data Format files and ensure security of your device and operating system. It may be the case that the HP4 files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the HP4 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 HP4 file.

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