Other PDF Issues

Fix Acrobat XI Preventing PDF Deletion in Windows 10 Preview Pane

Algirdas Jasaitis Nov 3, 2026 869 views

Question details

Users are unable to delete PDF files when they are selected in the Windows 10 File Explorer Preview pane using Acrobat XI Pro.

How to Fix Acrobat XI Preventing PDF Deletion in Windows 10 Preview Pane

Product: Adobe Acrobat XI Pro
Device & OS: Windows 10
Scenario: Attempting to delete a PDF file while the Windows File Explorer Preview pane is enabled.
Observed behavior: Windows blocks the deletion, displaying an error message that the file is open in another program.

Before you start

Ensure that the PDF file is not actively opened in any background applications or standalone PDF editors before attempting to delete it.

Solution 1Recommended

Disable the File Explorer Preview Pane

Turning off the Preview pane prevents the outdated Acrobat XI handler from locking the file, allowing you to delete it normally.

Because Acrobat XI is outdated and unsupported, it fails to release the background file lock when generating a preview in Windows 10. Disabling the preview pane bypasses this bug entirely.

Open File Explorer

Press the Windows Key + E to open File Explorer in Windows 10.

Access the View tab

Click on the 'View' tab located at the top left of the File Explorer ribbon.

Toggle the Preview pane

In the 'Panes' section, click on 'Preview pane' to turn it off. Ensure the preview section disappears from the right side of your window.

Delete the PDF

Select the PDF file you wish to remove and press the 'Delete' key on your keyboard.

Immediate Resolution: The file should now delete without the 'file in use' error. You can re-enable the preview pane afterward if needed.

Solution 2

Upgrade or Change Your Default PDF Viewer

Switching to a modern, actively supported PDF reader permanently resolves the file-locking issue without needing to constantly toggle the Preview pane.

Manage PDFs easily with WPS Office

View and Manage PDFs Seamlessly with WPS Office

Switching to WPS Office allows you to preview, edit, and manage PDF files without encountering legacy file-locking bugs in Windows 10. Enjoy a modern, lightweight, and highly compatible PDF reading experience.

1. Install WPS Office: Download and install WPS Office Free on your Windows 10 PC.
2. Set as Default: Right-click any PDF file, select 'Open with' > 'Choose another app', select WPS Office, and check 'Always use this app to open .pdf files'.
3. Preview and Manage: Use the Windows File Explorer Preview pane freely; WPS Office efficiently releases file locks so you can delete PDFs without errors.

Smooth PDF previewing in File Explorer without file-locking issuesFully compatible with all standard Microsoft Office and Adobe PDF formatsLightweight application that avoids slowing down your systemIncludes powerful built-in PDF editing, merging, and conversion tools

microsoft office alternative - wps office

Frequently Asked Questions

Why does Windows say my PDF is open in another program when it is closed?

When the File Explorer Preview pane is active, Windows uses your default PDF handler to generate a visual preview. Outdated software like Acrobat XI fails to release this background process, making Windows think the file is actively open.

Will Adobe release a fix for Acrobat XI Pro?

No. Adobe Acrobat XI has reached its official end-of-life (EOL) and is no longer supported by Adobe. They do not release bug fixes or security updates for this version.

Can I force delete the PDF without turning off the Preview pane?

While you can use third-party file unlocker tools or advanced Command Prompt commands to force deletion, simply toggling off the Preview pane from the View tab is the quickest and safest method.

How do I turn the Preview pane back on after deleting my PDF?

Open File Explorer, click on the 'View' tab at the top of the window, and click on 'Preview pane' in the Panes section to restore the preview sidebar.

PDF Troubleshooting