Hi,
When you select the option to option to open with book with authorising. ADE tries to open it using anonymous ID and since the acsm was already fulfilled/opened using your Id on your devince (on bluefire). You got the error "E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER" since IDs did not match.
When we use the "without Authorizing" option, it means that the book can't not be opened elsewhere but just on the current device. So if you use the multiple devices to read your eBooks. You should not exercise this option.
I am assuming that you still have the "ID" information that you used to open the acsm file at first place.
Please de-authorize your device from the ADE and then authorize it using the same ID. I hope you will be able to open the book.
In case you are not aware, please use "CTRL-SHIFT-D" to de-authorize.
I hope it helps.