C64 File Extension

What is C64 file?

C64 filename suffix is mostly used for Commodore 64 ROM Image files. C64 file format is compatible with software that can be installed on Windows system platform. C64 file belongs to the Game Files category just like 1509 other filename extensions listed in our database. The most popular program for handling C64 files is Win64, but users can choose among 1 different programs that support this file format.

Programs which support C64 file extension

The following listing features C64-compatible programs. Files with C64 suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with C64 extension?

Problems with accessing C64 may be due to various reasons. What is important, all common issues related to files with C64 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. We have prepared a listing of which will help you resolve your problems with C64 files.

Step 1. Install Win64 software

The most common reason for such problems is the lack of proper applications that supports C64 files installed on the system. This one is an easy one. Select Win64 or one of the recommended programs (for example, CCS64) and download it from appropriate source and install on your system. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Win64 installer in the most secured manner, we suggest you visit website and download from their official repositories.

Step 2. Update Win64 to the latest version

If you already have Win64 installed on your systems and C64 files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why C64 files are not compatible with Win64. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Win64.

Step 3. Associate Commodore 64 ROM Image files with Win64

If the issue has not been solved in the previous step, you should associate C64 files with latest version of Win64 you have installed 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.

The procedure to change the default program in Windows

• Clicking the C64 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
• Finally select Look for another app on this PC, point to the folder where Win64 is installed, check the Always use this app to open C64 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• From the drop-down menu, accessed by clicking the file with C64 extension, select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select the appropriate software and save your settings by clicking Change all
• A message window should appear informing that This change will be applied to all files with C64 extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the C64 file is complete and free of errors

Should the problem still occur after following steps 1-3, check if the C64 file is valid. It is probable that the file is corrupted and thus cannot be accessed.

1. The C64 may be infected with malware – make sure to scan it with an antivirus tool.

If the C64 is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the C64 file is indeed infected follow the instructions below.

2. Verify that the C64 file’s structure is intact

Did you receive the C64 file in question from a different person? Ask him/her to send it one more time. 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 C64 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Commodore 64 ROM Image file again.

4. Check whether your system can handle Win64

If the system is under havy load, it may not be able to handle the program that you use to open files with C64 extension. In this case close the other applications.

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 Commodore 64 ROM Image files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with C64 files affecting older versions of given software.

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