Other PDF Issues

Fix Acrobat Fill and Sign Stopping at 60 Percent When Specifying a Signer

Muhammad TalhaMuhammad Talha Nov 3, 2026 869 views

Question details

The user is unable to complete the 'Specify Where to Sign' workflow in their desktop PDF application, as the process hangs at 60%.

How to Fix Acrobat Fill & Sign Stopping at 60% When Specifying a Signer
Product
Adobe Acrobat Pro DC
Device & OS
not provided
Scenario
Specifying a signer and sending a PDF document for e-signature.
Observed behavior
The Fill & Sign workflow gets stuck at exactly 60% on the desktop application, even though the web version functions normally.
Before you start

Ensure you have administrator access to your computer to temporarily modify firewall and antivirus settings, and verify that your network connection is stable.

Solution 1Recommended

Check Firewall and Antivirus Settings

Temporarily disable your security software to identify if it is blocking network requests required for the signature workflow.

Often, strict local security software intercepts background requests made by desktop applications, causing cloud-dependent workflows to stall.

1
Disable Security Software

Temporarily turn off your antivirus and firewall software, ensuring you strictly follow your organization's IT security guidelines.

2
Test the Workflow

Open Acrobat and try the 'Send for Signature' workflow again to see if the process successfully passes the 60% mark.

3
Whitelist Services

If the test succeeds, add Acrobat and its signature services to the exceptions or whitelist in your firewall and antivirus software, then re-enable your security protections.

Check Firewall and Antivirus Settings
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Avoid network hangs and complex debugging by using WPS Office's streamlined PDF tools. Add text, insert checkboxes, and securely place your e-signature on any document locally without unexpected stalling.

  1. 1. Open your PDF: Launch WPS Office and open the PDF document you need to fill and sign.
  2. 2. Select Fill & Sign: Navigate to the top toolbar, click on the 'PDF' tab, and select the 'Fill & Sign' option.
  3. 3. Create and Apply Signature: Draw, type, or upload an image of your signature, then click to place it precisely anywhere on your document.
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Frequently Asked Questions

Why does the Fill & Sign feature work on the web but not on my desktop?

The web version operates directly within your internet browser, which relies on standard web traffic ports. A desktop application makes independent API requests that might be flagged or intercepted by local firewall rules, proxy settings, or antivirus software on your computer.

What is Fiddler and why is it recommended for troubleshooting PDF signature issues?

Fiddler is a secure web debugging proxy tool that captures HTTP and HTTPS traffic between your computer and the internet. Support teams recommend it because it logs exactly which server request (like an authentication call to a signature server) is failing or being blocked by your network.

Is it safe to disable my firewall or antivirus to test my PDF software?

It is safe only for a brief, temporary diagnostic test while attempting to reproduce the stalling issue. You should avoid browsing the web or downloading files during this time, and you must re-enable your security software immediately after the test concludes.