Library files have the feature that if you download a new game or application, it will be necessary to update them or add them to the appropriate directory.
This may indicate a warning window that pops up when starting a game without working files. Then contact your internet resources and to find a reliable source that you offer corefoundation dll file to download to your computer.
How to download free corefoundation.dll?
Immediately after this, it is necessary to open the system folder library, which is located on your computer's hard drive, and copy the document to the selected directory. To complete the reboot, all new commands are registered in the desired cells.