PDF Security & Access Issues

Fix Adobe Acrobat Fill and Sign Stuck at Sign-In Screen

Steven ParkerSteven Parker Nov 2, 2026 869 views

Question details

Adobe Acrobat becomes unresponsive or gets stuck on a blue authentication screen when the user attempts to use the Fill and Sign feature.

How to Fix Adobe Acrobat Fill and Sign Stuck at the Sign-In Screen
Product
Adobe Acrobat DC
Device & OS
not provided
Scenario
Initiating the Fill and Sign workflow to sign a PDF document.
Observed behavior
The application stops responding when reaching the blue Sign In screen, even if the application appears to be logged in elsewhere.
Before you start

Ensure your device has a stable internet connection so Acrobat can reach Adobe's authentication servers, and save any open documents to prevent data loss.

Solution 1Recommended

Update Adobe Acrobat and Refresh Your Session

Resolves authentication glitches and software bugs by updating the software to the latest release and forcing a clean sign-in session.

Acrobat relies heavily on background authentication services for premium features. Outdated software or a corrupted login token can cause the blue sign-in screen to hang.

1
Sign Out of Acrobat

Open Adobe Acrobat, click on your Profile icon in the top right corner or go to the Help menu, and select 'Sign Out'.

2
Check for Updates

Navigate to Help > Check for Updates. Follow the on-screen prompts to download and install the latest available Acrobat DC release.

3
Sign Back In

Restart the application, click 'Sign In', and enter your correct Adobe account credentials to refresh the authentication workflow.

Update Adobe Acrobat and Refresh Your Session
Authentication Restored: Once signed back in on an updated version, the Fill and Sign tool should bypass the blue screen and load your signature profile immediately.
Sign PDFs without account login errors

Use WPS Office to Fill and Sign PDFs Instantly

Skip the complicated account authentication loops. WPS Office provides a seamless, built-in PDF tool allowing you to quickly fill forms and add your signature without getting stuck on sign-in screens.

  1. 1. Open PDF in WPS: Launch WPS Office, click on 'PDF', and open your target document.
  2. 2. Access Fill and Sign: Navigate to the 'Fill & Sign' tab on the top ribbon menu.
  3. 3. Add Signature: Click 'Sign', create your signature by typing, drawing, or inserting an image, and place it anywhere on your document.
Easily fill and sign PDFs locally without mandatory cloud authentication.Highly compatible with all standard PDF formats and Adobe Acrobat files.Lightweight application that runs smoothly on Windows, Mac, and mobile.Includes comprehensive PDF editing, converting, and merging tools.
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Frequently Asked Questions

Why does Adobe Acrobat freeze when I click Fill and Sign?

This usually happens due to a corrupted sign-in session or outdated software struggling to connect to Adobe's authentication servers. Signing out and updating the software often resolves the hanging screen.

Can I use Fill and Sign offline in Adobe Acrobat?

Adobe Acrobat often requires an active sign-in session to verify your subscription, which is why it attempts to load the blue Sign In screen. Without a stable internet connection, this screen may freeze if your locally cached credentials have expired.

How do I bypass the Adobe Sign-In screen for PDFs?

If you cannot bypass it in Acrobat due to a software bug, you can use alternative software like WPS Office to open the PDF. This allows you to use local Fill & Sign features without encountering Adobe's specific account authentication barriers.