error message downloading library books

[Guest]

I cannot download or return library books - getting an error message - E_adept_request_expired - tried downloading Adobe digital editions 2.0 and got the same message - Help

[sjpt]

That is often down to incorrect time, timezone or daylight savings settings on the computer running ADE.

If that doesn't help: ADE2.0 will not handle library books when used in conjuction with some eReaders (including but not only Sony PRS-350).

Try replacing with the less buggy older version.

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There are lots of bugs in ADE2.0 (and 2.0.1).  Try replacing ADE2.0 with the older but more reliable v1.7.2.

(You can have them both installed at once if you like.)

Version 1.7.2, it is a little difficult to find, available on Adobe site for Windows and for Mac.

http://helpx.adobe.com/digital-editions/kb/cant-install-digital-editions.html

The forum software is sometimes corrupting the link above.  There shouldn't be a blank in 'editio ns.html'.  The following redirects to the same page: http://tinyurl.com/diged172

Some people have found ADE trying to upgrade automatically. 

It appears (not 100% sure) that if you install ADE2.0 as a new install (not as an upgrade) that your 1.7.2 will continue to run.

Probably best to say no if 2.0.x installation asks if you want to migrate your library.