Other PDF Issues

Fix Adobe Acrobat Comments Tool Taking Too Long to Open

Anum MushtaqAnum Mushtaq Oct 28, 2026 868 views

Question details

The user experiences a significant 15 to 30-second delay or a spinning wheel when trying to open the Comments tool in Adobe Acrobat.

How to Fix Adobe Acrobat Comments Tool Taking Too Long to Open
Product
Adobe Acrobat
Device & OS
Windows
Scenario
Trying to add or edit comments in large PDF documents.
Observed behavior
Selecting Tools and then Comments causes a 15-30 second freeze or a spinning wheel before the tool interface actually loads.
Before you start

Before proceeding with the troubleshooting steps, manually save any open PDF documents and close heavy background applications to ensure the delay isn't simply caused by a temporary system memory overload.

Solution 1Recommended

Update and Repair Adobe Acrobat Installation

Updating the software to the latest patch or running the built-in repair tool often resolves slow loading and spinning wheel bugs.

Software bugs or corrupted installation files can frequently cause specific tools to lag. Adobe regularly releases patches to fix performance issues.

1
Check for Updates

Open Adobe Acrobat, click on the 'Help' menu at the top, and select 'Check for Updates'. Install any available updates and restart your computer to apply the changes.

2
Repair Installation

If the issue persists after updating, open Acrobat again, go to the 'Help' menu, and click 'Repair Installation'. Follow the on-screen prompts and restart your PC once the process completes.

Update and Repair Adobe Acrobat Installation
System Restart Required: Always restart your computer after running a repair or update to ensure all Acrobat background services are refreshed.
Free Microsoft Office alternative

Try WPS Office for Fast and Seamless PDF Editing

If Adobe Acrobat continues to lag and freeze, consider switching to WPS Office. Its built-in PDF editor is incredibly lightweight, allowing you to open large documents and add comments instantly without any frustrating delays.

  1. 1. Download WPS Office: Visit the official WPS website and download the free WPS Office suite.
  2. 2. Open Your PDF: Launch WPS PDF and open your large document. Notice how quickly the software renders the file.
  3. 3. Access Comment Tools: Click the 'Comment' tab at the top. The annotation tools will load instantly, allowing you to work without interruptions.
Instantly load and comment on large PDF files without spinning wheels or delays.Fully compatible with Adobe PDF and Microsoft Office file formats.Lightweight design ensures smooth, rapid performance even on older computers.All-in-one free suite to view, edit, annotate, and convert PDFs effortlessly.
microsoft office alternative - wps office

Frequently Asked Questions

Why does Adobe Acrobat freeze when I click on the Comments tool?

Acrobat may freeze or take a long time to load tools if you are working on a massive PDF file with high-resolution graphics, running an outdated software version, or dealing with corrupted application preference files.

Will repairing the Acrobat installation delete my saved PDFs?

No, using the 'Repair Installation' option under the Help menu only scans and replaces missing or corrupted application system files. Your personal PDF documents and data will remain completely untouched.

How can I quickly check my exact Acrobat version?

Open Adobe Acrobat, click on 'Help' in the top menu bar, and select 'About Adobe Acrobat'. A small window will pop up displaying the specific version number and build currently installed on your device.