GCM File Extension

What is GCM file?

GCM is a file extension commonly associated with GameCube ROM files. Nintendo defined the GameCube ROM format standard. GCM files are supported by software applications available for devices running , Mac OS, Windows. Files with GCM extension are categorized as Game Files files. The Game Files subset comprises 1509 various file formats. Users are advised to use Dolphin software for managing GCM files, although 3 other programs can also handle this type of file. On the official website of Dolphin Team developer not only will you find detailed information about theDolphin software, but also about GCM and other supported file formats.

Programs which support GCM file extension

The list that follows enumerates programs compatible with GCM files, divided into 3 categories based on operating system on which they are available. GCM 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 GCM extension?

There can be multiple causes why you have problems with opening GCM files on given system. What is important, all common issues related to files with GCM extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Dolphin

The most common reason for such problems is the lack of proper applications that supports GCM files installed on the system. This one is an easy one. Select Dolphin or one of the recommended programs (for example, WhineCube, Nintendo GameCube) and download it from appropriate source and install on your system. 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 Dolphin website and download the installer.

Step 2. Update Dolphin to the latest version

You still cannot access GCM files although Dolphin is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why GCM files are not compatible with Dolphin. The latest version of Dolphin should support all file formats that where compatible with older versions of the software.

Step 3. Associate GameCube ROM files with Dolphin

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

Selecting the first-choice application in Windows

• Clicking the GCM with right mouse button will bring a menu from which you should select the Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Dolphin installation folder. Confirm by checking Always use this app to open GCM files box and clicking OK button.

Selecting the first-choice application in Mac OS

• By clicking right mouse button on the selected GCM file open the file menu and choose Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• If you followed the previous steps a message should appear: This change will be applied to all files with GCM extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the GCM is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the GCM file in question. Problems with opening the file may arise due to various reasons.

1. Check the GCM file for viruses or malware

Should it happed that the GCM is infected with a virus, this may be that cause that prevents you from accessing it. Scan the GCM file as well as your computer for malware or viruses. If the scanner detected that the GCM file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the GCM file’s structure is intact

If you obtained the problematic GCM file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with GCM extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the GameCube ROM file again.

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

If the systems has insufficient resources to open GCM files, try closing all currently running applications and try again.

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with GameCube ROM file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle GCM files.

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