While at home my wife and I have our own dedicated standalone computers but when we travel we use a laptop setup with individual profiles. I, it seems unfortunately, upgraded DE from Version 2 to Version 4 on said computer. On V-2 each user had their own DE profile within their windows profile .When installing and setting up on the first Windows profile I was able to setup and authorize with the Adobe credentials for that user, however I am having issues with setting up the second user. I used the same login and PW that were used on the original installation and on the standalone but DE doesn't like it. When I try to move in a e-book I receive "check activation". When I attempt to deactivate the profile in order to reactivate I get the "unable to erase authorization" message. I have also verified the Adobe username and PW--they work on the persons standalone computer when importing ebooks into that unit. I profile 2 on the notebook. Suggestions?
If due to some reason, you are unable to deauthorize ADE, follow the below steps:
Choose Start > Run.
In the Open text box, type regedit and then press Enter. The Registry Editor opens.
In the left pane of the Registry Editor, locate the following registry key:
Right-click the Adept key and choose Delete.
In the Confirm Key Delete dialog, click OK.
Your authorization will be deleted.
ADE will be deauthorized now.
Now Authorize ADE again. [Help -> Authorize Computer].
That did it, thanks