- What is the workflow/steps you are doing to save?
Please try the following preference settings and see if that works for you. Go to Edit (Windows), Adobe Acrobat (Mac) > Preference > General > Uncheck 'Show online storage when saving file' and 'Show online storage when opening file' > Click OK
Also please try to turn off the protected view for testing (Windows Only). Go to Edit > Preferences > Enhanced Security > Uncheck 'Enable protected mode at startup' > Click OK and reboot the computer once.
Note: Please turn on the security after testing to avoid any security risks.
You may also check out the help pages listed below for more information: