Tips to open HLC file

Can't open the HLC file? You are not the only one. Thousands of users face similar problems every day. Below you will find tips on how to open HLC files as well as a list of programs that support HLC files.

HLC file extension

File Name ESO MIDAS Help Command
File Developer European Southern Observatory
File Category Misc Files

The HLC file is supported on 1 operating systems. Depending on your operating system, you may need different software to handle the HLC files. Below is a summary of the number of programs that support and open the HLC file on each system platform.

Operating systems
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0

What is HLC file?

The HLC file has been categorized as Misc Files. The author of this format is European Southern Observatory. Additionally, the Misc Files category contains 6033 of other files. ESO MIDAS Help Command appears on 1 operating systems as a functional file. These systems consist of Windows, although it may occasionally be found on another system, it will be non-functional. The main program that supports this format is ESO-MIDAS. This was created by European Southern Observatory.

How to open HLC file?

The main problem with ESO MIDAS Help Command is that the HLC file is incorrectly associated with programs. This is manifested by the fact that HLC files open in unusual applications or do not have an assigned program. This problem can be easily remedied.

The first thing you should do is just "doubleclick" on the HLC file icon you want to open. If the operating system has an appropriate application to support it and there is also an association between the file and the program, the file should be opened.

Step 1. Install ESO-MIDAS

The first step is to check if the computer has the ESO-MIDAS program installed. The easiest method is to use the system search engine by entering the program name ESO-MIDAS in it. If we do not have this program, it is worth installing it, as it will help you automatically associate the file HLC with ESO-MIDAS. Below you will find a list of applications that support HLC files.

Programs to open HLC file

Remember to download programs supporting HLC files only from verified and safe sources. We suggest using the websites of software developers.

Step 2. Create association of ESO-MIDAS with HLC files

If the application is or has been freshly installed, but the HLC file still does not use the ESO-MIDAS program, it means no association. The association can be created using the drop-down list available by right-clicking on the file and selecting Properties. The displayed window will contain information about the program that supports this type of file. Using the "Change" button we can set the program to handle this type. The program should be visible in the window, otherwise it should be selected manually using the "Browse" button and the program installation directory should be indicated. The "always use the selected program ..." field will set the ESO-MIDAS application as the default for handling the HLC file.

Step 3. Update ESO-MIDAS to the latest version

The fault may also lie with the ESO-MIDAS program, it is possible that ESO MIDAS Help Command requires a newer version of the program. Some applications allow you to update from the program level, and for others you need to download the installer from the European Southern Observatory page and install.

Step 4. Check for the following problems with the HLC file

The problem may also be with the file itself if the above steps don't work. File problems can be divided into the following:

The affected file may be 0 KB or smaller than expected. Usually this applies to HLC files downloaded from the Internet in case the download did not finish properly. The file should be downloaded again, making sure that the process has finished correctly.
The most common cause here is computer viruses. A virus scan using an up-to-date antivirus program should fix the problem. If this is not possible, you can use the online scanner. However, it is important to scan the entire system, not only the file HLC or the program directory. As a result of the scan, sometimes it is not possible to recover HLC files, which are deleted if there is a backup of this file, then after restoring it, it must also be scanned.
This can happen especially when the program is dynamically developed and the structure of the HLC files changes over time. Help should be sought from the software developer, as they usually recommend using free file converters or installing an older version of the program.
There can be many reasons for the failure. Depending on the type of file, it is necessary to repair it accordingly. Some programs offer the option of recovering data from damaged HLC files. The easiest way is to restore the file from a backup, if there is one, or contact European Southern Observatory
The program indicates that the file is encrypted or corrupted. The encrypted HLC files cannot be played on other computers than the one on which they were encrypted, they must be decrypted before using on another device.
Some of the system directories are excluded from modification. While there is usually no problem reading such a file, it may not be possible to save it. Copying the HLC file to another location will fix the problem.
This can happen on a file that does not support multiple access. Some file types can only be opened in one program at a time. Closing other programs should help. Sometimes you have to wait for the session to the file HLC to close. Some anti-virus or backup software may occupy the HLC file for a certain period of time. If nothing helps, please reset the device.