Tips to open GCNO file

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

GCNO file extension

File Name GCC Gcov Profiling
File Developer Free Software Foundation, Inc.
File Category Misc Files

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

Operating systems
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What is GCNO file?

The file with the extension GCNO is the Misc Files file type. The creator of this file is Free Software Foundation, Inc.. Additionally, the Misc Files category contains 6033 of other files. GCC Gcov Profiling is most often found on 1 operating systems. The file will work on Linux systems, unfortunately not on others. The GNU Compiler Collection application is recommended to open the file. It was released by Free Software Foundation, Inc..

How to open GCNO file?

An often recurring problem with GCC Gcov Profiling is that GCNO is not associated with the correct program file. This causes the file GCNO to open by system applications not designed for this purpose, or to display a message that there is no associated program. This problem can be easily remedied.

The first thing you should do is just "doubleclick" on the GCNO 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 GNU Compiler Collection

An often overlooked issue is to make sure that GNU Compiler Collection is installed on the computer. The easiest method is to use the system search engine by entering the program name GNU Compiler Collection in it. In the absence of an appropriate program, its installation in the vast majority of cases will fix the problem. Below you will find a list of applications that support GCNO files.

Programs to open GCNO file

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

Step 2. Create association of GNU Compiler Collection with GCNO files

However, it may happen that the application itself does not cause the GCNO file to open in the GNU Compiler Collection application, but you can set it manually. It is most convenient to call the context menu with the right mouse button and select Properties. The window will show, among other things, the type of the file and the information by which the program is used to launch the 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 GNU Compiler Collection application as the default for handling the GCNO file.

Step 3. Update GNU Compiler Collection to the latest version

The fault may also lie with the GNU Compiler Collection program, it is possible that GCC Gcov Profiling 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 Free Software Foundation, Inc. page and install.

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

Of course, it may happen that despite the above steps, the file still does not work. The most common file problems are:

The affected file may be 0 KB or smaller than expected. This suggests truncating the GCNO file contents when downloading or copying. The only repair option is to download the file again.
The operating system may be infected with a computer virus. A quick virus scan using an up-to-date antivirus program should clear up any doubts. Alternatively, you can use the scanners available online. However, it is important to scan the entire system, not only the file GCNO or the program directory. Sometimes virus-infected GCNO files cannot be recovered, so make a backup in advance.
A typical compatibility error - the program does not support the older version of the GCNO file. These problems are known and are often very easy to fix using the software developers's website.
There can be many reasons for this. Depending on the type of file, it is necessary to repair it accordingly. Some programs offer the ability to automatically repair GCNO file corruption. You can restore the file from a backup or use Free Software Foundation, Inc. help.
When reading, a message appears that the file was encrypted or corrupted. The encrypted GCNO 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 operating systems do not allow file operations in certain locations, eg in system directories or directly on the system drive. While there is usually no problem reading such a file, it may not be possible to save it. If possible, you can try to move the GCNO file to another location.
This problem usually affects more complex files. In this case, the GCNO file is blocked by the first application to open it. Just close unnecessary programs. If the error persists after closing other programs, wait for a while. Antivirus programs or a backup being made may lock the file for a while without the user's knowledge. If the problem persists, restart the machine.