I cannot open a MEXHP3 file. What should I do? Help!

Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with MEXHP3 files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening MEXHP3 will be resolved!

MEXHP3 File Extension

File
  • File type Matlab HP9000/series 300 Dynamically Linked Subroutines
  • File developer MathWorks, Inc.
  • File category Misc Files
  • File popularity rating
    • Star
Open

How to open MEXHP3 file?

If given user account does not have necessary permissions to open files with MEXHP3 extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.

Step 1. Download and install application that supports MEXHP3 files

After the application has been installed, the system should automatically open MEXHP3 files with given application. Below is the list of relevant programs along with operating systems they are available for:

Programs that support MEXHP3 files

Windows programs
Windows

Step 2. Verify whether MEXHP3 files are associated with appropriate software

It is possible that an application that supports MEXHP3 files is not associated with such files. In such case, the program should by manually associated with MEXHP3 files (right-click on the file icon → PropertiesGeneral Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support MEXHP3 files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open MEXHP3 files with the selected program.

Changing MEXHP3 file association in registry

File association for MEXHP3 files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.

Step 3. Check MEXHP3 file for other errors

  • MEXHP3 file was not copied properly from storage medium.
  • Antivirus application prevents opening MEXHP3 files. In that case it is recommended to exercise extreme caution and recover or delete infected MEXHP3 file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
  • For MEXHP3 files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.

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