PDF Opening Issues

How to Fix Cannot Read PDF Files Issue in Adobe Acrobat Reader

Kushani Nimanthika Oct 18, 2026 869 views

Question details

The user is unable to open or read files using Adobe Acrobat Reader and needs troubleshooting steps to resolve the issue.

Product: Adobe Acrobat Reader
Device & OS: not provided
Scenario: Trying to open or read a PDF document in Acrobat Reader.
Observed behavior: The file fails to open or cannot be read, potentially due to file corruption, unsupported formats, or software glitches.

Before you start

Ensure that the file you are trying to open is in a supported format (like .pdf) and hasn't been corrupted during download or transfer.

Solution 1Recommended

Repair or Update Adobe Acrobat Reader

Software bugs or corrupted installation files can prevent Acrobat Reader from opening PDFs. Updating or repairing the software often resolves this.

Adobe frequently releases updates to fix known bugs and improve compatibility. If your software is outdated, it may struggle to read newer PDF files. Running the built-in repair tool can also fix missing or corrupted application files.

Check for Updates

Open Adobe Acrobat Reader, click on the 'Help' menu at the top, and select 'Check for Updates'. Install any available updates and restart the application.

Repair Installation

If updating doesn't work, go back to the 'Help' menu and click on 'Repair Installation'. Wait for the process to complete.

Restart and Test

Restart your computer to ensure all changes take effect, then attempt to open your PDF file again.

Keep Software Updated: Regularly updating your PDF reader ensures you have the latest security patches and file compatibility improvements.

Solution 2

Verify File Format and Integrity

Sometimes the issue lies with the file itself rather than the software. Ensure the file is a valid, uncorrupted PDF.

Open and Read PDF Files Seamlessly with WPS Office

If Adobe Acrobat Reader is failing to open your documents, you can use WPS Office's built-in PDF reader to quickly access, view, and edit your PDF files without any hassle.

1. Download and Install WPS Office: Download the free WPS Office suite from the official website and install it on your device.
2. Open WPS Office: Launch the WPS Office application on your computer.
3. Open Your PDF File: Click on 'Open' from the home screen, browse your files, and select the PDF document you want to read.
4. Read and Edit: View your document instantly in the WPS PDF tab, where you can also add annotations, highlight text, or convert the file to other formats.

Easily open, read, and annotate PDF documents without relying on Adobe Acrobat.Fully compatible with all standard PDF files and Microsoft Office formats like Word, Excel, and PowerPoint.Lightweight software that loads large PDF files quickly and smoothly.

microsoft office alternative - wps office

Frequently Asked Questions

Why does Acrobat Reader say the file is damaged and could not be repaired?

This error usually occurs if the PDF file was improperly downloaded, sent via an email attachment that got corrupted, or created by a non-standard PDF generator. Try downloading the file again or ask the sender to resend it.

Can a corrupted PDF file be fixed?

Sometimes you can restore a corrupted PDF using specialized repair tools online. Alternatively, you can try opening it in a different PDF reader like WPS Office or a web browser, which may bypass Acrobat-specific reading errors.

How do I make WPS Office my default PDF reader instead of Acrobat?

Right-click any PDF file on your computer, select 'Open with', click 'Choose another app', select WPS Office from the list, and check the box that says 'Always use this app to open .pdf files'.

PDF Troubleshooting