1 Reply Latest reply on Jan 6, 2016 4:57 AM by Nanaky

    I have 2 versions of ADE and neither can open a .acsm file


      I bought a ePUB from a bookstore and got a download link. I tried to open it using ADE, but in version 4.5 I get "E_STREAM_ERROR", and in 3.5 I get "Error. Check activation".


      Do I need to uninstall a version? which one?



        • 1. Re: I have 2 versions of ADE and neither can open a .acsm file
          Nanaky Level 5


          1. Open Adobe Digital Wditions.
          2. Press Command+Shift+D to deauthorize Adobe Digital Editions.
          3. Select Erase Authorization.
          4. Click OK and quit Adobe Digital Editions.
          5. Navigate to /Users//Library/Application Support/Adobe/Digital Editions and drag the activation.dat file to the trash.
            If you are using 10.7, see Access hidden library files | Mac OS 10.7 and later.
          6. Open Adobe Digital Editions and reauthorize.


          1. Close all applications.
          2. Choose Start > Run.
          3. In the Open text box, type regedit and then press Enter. The Registry Editor opens.
          4. In the left pane of the Registry Editor, locate the following registry key: HKEY_CURRENT_USER\Software\Adobe\Adept
          5. Select the Adept key.
          6. Choose File > Export.
          7. In the Export Registry File dialog box, select Selected Branch under Export Range. Enter a name and location for the backup registry key, and then click Save.
          8. Right-click the Adept key and choose Delete.
          9. In the Confirm Key Delete dialog, click OK.
          10. Close the Registry Editor.
          11. Open Adobe Digital Editions and reauthorize.