If you are facing any problem with file association, then please try below steps:
1. Launch ADE.
2. Drag and drop acsm file to ADE.
3. Book download will start.
I tried suggestion and received the following below. Tried to erase authorization and I can’t remember my password. Now what do I do?
Here it is “Unable to download. Error getting license. License Server Communication Problem: E_ADEPT_REQUEST_EXPIRED”