I cannot open a ASF 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 ASF files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening ASF will be resolved!

ASF File Extension

File
  • File type Advanced Systems (streaming) Format
  • File developer Microsoft
  • File category Video Files
  • File popularity rating
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How to open ASF file?

If given user account does not have necessary permissions to open files with ASF 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 ASF files

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

Programs that support ASF files

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

It is possible that an application that supports ASF files is not associated with such files. In such case, the program should by manually associated with ASF 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 ASF 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 ASF files with the selected program.

Changing ASF file association in registry

File association for ASF 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 ASF file for other errors

  • ASF file was not copied properly from storage medium.
  • Antivirus application prevents opening ASF files. In that case it is recommended to exercise extreme caution and recover or delete infected ASF file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
  • For ASF 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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