Apple iTunes is the most used program for working with SIDN files.
SIDN file extension is related to the Apple iTunes authorization data files.
Programs support SIDN file extension are Apple iTunes, which handle SIDN files.
Files with SIDN extension can be found on any operating system, just like any other file formats.
They may be transferred to mobile or stationary devices. However, not all systems can properly handle such files.
SIDN files are saved in Windows 7 and 8 ProgramData\Apple Computer\iTunes\SC Info\ directory. This location is also used by Windows XP: C:\Documents and Settings\All Users\Application\Apple Computer\iTunes\SC Info\.
To open an SIDN file, update the application used to normally open them. Only the latest version supports the current SIDN file format.
Also, scan the SIDN file for viruses with antivirus programs like Norton or Kaspersky. These may recommend disinfecting or deleting infected files.
Check if operating system user has permissions to access the SIDN file. Also check the icon is correctly linked to the file location.
Verify system has resources to run iTunes and open SIDN file.