Hi, I'm Mr.med. Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
I'm sorry about the issue, what is your operating system (windows or mac) and what email service you are using please ?
Are you trying to download the attachment from your ipad device please ?
No i can't, Are you trying to download the attachment from your ipad device please ?
First try to download the attachement from your laptop, open www.aol.com and login to your email account.
Please try to reset your iPad by following the steps below :
1-Backup all data on your iPad (photos, documents ect..).
2-tap the Settings app from your iPad’s home screen.
3-Scroll down to ‘General’ and tap on it.
4- Now scroll all the way down until you see the ‘Reset’ option. Tap on that as well.
5-click on Reset All Settings.
If the problem persist please do the following :
2-Download Itunes from : https://www.apple.com/itunes/download/
3-Install itunes and plug in your iPad to your pc
4-press and hold the home button and the sleep/wake/power button at the same time for 45 seconds until the Apple logo appears, once that appears you can release the buttons
5-iTunes will give message iTunes has detected an iPad in recivery mode you must restore this iPad to continue
6-click restore if it does not go through click on the iPad in the left hand side of iTunes and click restore
Additional Information : https://www.youtube.com/watch?v=Shrc3FeCJEQ
Let me know the results please
Please follow the step by step instructions at the link below:
Backup process : https://support.apple.com/en-us/HT203977
Recover process : https://support.apple.com/en-us/ht204184
Okay, take your time.