



Check that the system has the necessary resources to run the BibDesk application and open the RIS file.Check if the icon is an element of the correct file but not only a shortcut to the location where the RIS file no longer exists.Check if you, as the operating system user, have appropriate permissions to work with the file RIS.Most often it is disinfection or deletion of an infected file. In this case, scan the RIS file and take the actions recommended by the antivirus program installed on the system. Check if the RIS file is not infected - When the file RIS is infected with a virus or malware, it probably will not be able to be opened correctly.You should then find out what is the reason of the problem. Sometimes it happens that despite having the right application and the correct configuration, there are still problems with opening the RIS files. Check out other possible problems related to RIS files. Remember! Manually editing the system registry is only recommended for advanced users, and changes made to it without proper knowledge may result in damage to the system. Finally, select the "Always use the selected program to open RIS files" option and confirm the whole operation.Click "Find more applications on this PC" and indicate the installation location of the appropriate program.Right click on the unknown RIS file you want to open.The second way is simpler and definitely recommended for less advanced users. This can be done in two ways - one is to manually edit the Windows Registry and HKEY_CLASSES_ROOT keys. If the user already has one of the applications installed, the next step will be to associate it with the file extension RIS. Associate BibDesk with the RIS file extension
