Answered By: Sophie Firby
Last Updated: Jan 10, 2017     Views: 704

Sometimes a "file association" error occurs in Windows. What this means is that Adobe Digital Editions (ADE) is not set to open ACSM files, which are used to download eBooks. If you can't open eBooks in ADE, follow the appropriate steps below.

Associate ACSM files to ADE in Windows 8, 7, or Vista

  1. Windows 7 or Vista: Click Start, and type "Default Programs" into the search box and press Enter.
    Windows 8: Use the Search charm to search for "Default Programs." Charms pop out of the right edge of your screen.
  2. Click Associate a file type or protocol with a program
  3. Scroll down, and select the ACSM file type.

     
  4. The extension should be set to "Adobe Digital Editions" (under "Current Default"). If this is not the case, click Change program . . .
  5. Windows 7 and Vista: Click the Browse button and select DigitalEditions from the following location:
    Windows 8: Scroll to the bottom of the pop-up window and click Look for another app on this PC. Then, select DigitalEditions from one of these locations:
    • 64-bit Systems: C:\Program Files (x86)\Adobe\Adobe Digital Editions
    • 32-bit Systems: C:\Program Files\Adobe\Adobe Digital Editions
      Note: You can find which system type you have by going to Start > Control Panel > System. Look under "System Type." Or, in Windows 8, search for System using the search charm.
  6. Click the OK button to save the changes.

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