ADE stopped working on Windows 10

[Motanu1]

I used ADE 4.5 on Windows 10 for about a month then suddenly one morning, I was no longer able to execute ADE.  I tried un-installing and re-installing 3 times.  I get no error messages, just no response.

[akakrazee]

I'm having the same problem.  I can get my books into ADE and then they just disappear. 

[Nanaky]

Try this:
- Right Click on the Icon of Digital Editions.

- Choose start as Admin.

[Motanu1]

Thanks Nanaky but that didn't work either.  The only difference was that when I ran as administrator, I got the message box, "Do you want to allow this app to make changes to your PC?"  When I answered, "Yes", I got no response.

[Nanaky]

Try to install 3.0 Version an stand of 4.5: Adobe Digital Editions downloads

[Motanu1]

Thanks Nanaky.  Getting closer but still have a little problem:

I installed ADE 3.0.1 as you suggested, and was able to download a book from my public library using Overdrive  [I wasn't able to do this with ADE 4.5].

However, when I attempted to open the downloaded file in ADE, I got an error box, "Error:  Check Activation". 

What should I do?

[Nanaky]

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.

[Motanu1]

Thanks Nanaky. Where do I find the name and location for the backup registry key that you mentioned in Step 7?

[Nanaky]

Name used this was get when save. The Place to save can used itself.

[Motanu1]

Thanks Nansky.

I'm sorry to be so dense but I didn't understand a word of your last post ("Name used this was get when save. The Place to save can used itself.").  Could you dumb it down for me please?

[Nanaky]

I mean that can used the File Name which the system pretends.

The Place for the Save you choose yourself.

[akakrazee]

I am running windows 10 and was having similar problems and per Nanaky I closed ADE.  Found the My Digital Editions folder in my documents and renamed it.  I then open ADE and my books returned.  They were filed in My Digital Editions.  A couple of library books I had to re load but no biggie.  Hope you are have luck.

[ehojo3]

not an answer but another question, sorry: ADE is weird on my new windows 10 machine, when it opens it flies off the monitor, i can find it on task view but can't use it otherwise what am i doing wrong?