I have 2 books waiting to download but when i try it constantly brings up the sign in box every time as if details arnt correct
Moving this discussion to the Adobe Digital Editions forum. Warky75 you may want to try signing into Adobe.com to make sure your login information is correct.
What application is asking you to sign in?
If it's Digital Editions, then I have to ask if you registered with Adobe
before you downloaded and installed ADE. If you did not, you will get this