Acrobat keeps asking to sign in/repetitive sign-in prompt.
Acrobat/Creative Cloud signs you out or asks you to sign in repeatedly.
Here’s what to do when you can’t sign in to Acrobat/Creative Cloud apps, you’re unexpectedly signed out of Acrobat/Creative Cloud, or you’re required to sign in multiple times.
Check for Acrobat app updates
Click on the help menu of Acrobat.
Select Check for updates.
Reboot the machine after updating Acrobat.
If the Creative Cloud Desktop app is installed. Check for Creative Cloud desktop app updates.
Click the Creative Cloud desktop icon in the taskbar (Windows) or Apple menu bar (macOS), to open the Creative Cloud desktop app.
In your profile menu, click Sign out.
Sign in again to your Adobe account.
If you aren’t using the latest version of the Creative Cloud desktop app, a prompt to update appears. Click Update.
Windows users, try this next
If you’re using Internet Explorer on a Windows system, you may have a network issue. Setting auto-detection of LAN settings may solve them.
Quit the Creative Cloud desktop app.
In Internet Explorer, choose Settings, then Internet Options.
In the Connection panel, click LAN settings.
Select the Automatically detect settings option, and deselect the Use automatic configuration script, and Use a proxy server for your LAN options. Click OK.
Restart your computer, and then repeat steps 1 through 4 to ensure that the LAN settings changes were retained.
Launch the Creative Cloud desktop app and sign in to your Adobe account.
Windows users, ensure that WMI service is running The Creative Cloud desktop app manages your account information using the Windows Management Instrumentation (WMI) service. If this service is not running, your sign-in credentials will become invalid after some time has passed. By ensuring that the winmgmt service is running, your desktop app sign-in will work continuously.
Resolve issues while retrieving or storing license information Adobe apps must store and retrieve license information on your computer. Occasionally, an app is unable to store or retrieve this information because of issues in the license storage on your computer. Follow these steps to resolve this issue.
Go to Applications > Utilities > Keychain Access.
In the upper-left corner, under Keychains, click log in.
Remove the following entries. To remove them, right-click and select Delete.
Adobe User Profile Info Adobe User OS Info
Relaunch the Creative Cloud desktop app.
WINDOWS Open Services manager (press the Start key and type Services).
In the list of Services, right-click on Credential Manager.