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How to Fix Operation in Progress Error When Combining PDFs
Question details
Users are unable to combine files because the process gets stuck on an 'Operation in Progress' message even after file uploads are complete.
- Product
- Adobe PDF Pack
- Device & OS
- not provided
- Scenario
- Attempting to merge multiple documents into a single PDF file using a web browser or Adobe cloud services.
- Observed behavior
- The file merging process hangs indefinitely on the 'Operation in Progress' screen, requiring users to manually abort or delete the process.
Ensure your internet connection is stable, and check the Adobe System Status page to verify that Document Cloud services are fully operational before troubleshooting locally.
Refresh Session and Clear Browser Data
Resetting your cloud session and clearing cached site data resolves browser-related hangs that cause operations to get stuck.
Stale login sessions or corrupted browser cache can disrupt the connection between your browser and the PDF processing server. Starting fresh often clears the backlog.
Click on your profile icon in the top right corner of the Adobe PDF Pack web interface and select 'Sign Out'.
Navigate to your browser's settings, find the 'Privacy and Security' section, and choose to clear your browsing data, specifically cookies and cached images/files.
Close your web browser completely, reopen it, navigate back to the PDF combination page, and sign in again with your Adobe ID.
Upload your PDF files again and click the combine button to test if the process completes successfully.
Switch to an Alternative Browser or Desktop App
Bypass browser-specific glitches by using a completely different web browser or switching to the desktop application.
Test with Different PDF Files
Verify if the issue is caused by a specific corrupted or protected file rather than the merging software.
Easily Combine PDF Files Locally with WPS Office
Avoid browser timeouts and cloud service 'Operation in Progress' errors by combining your PDF files directly on your desktop. WPS Office offers a robust, built-in PDF toolkit that merges documents instantly without relying on a network connection.
- 1. Open WPS Office: Launch the WPS Office desktop application and select the 'PDF' tab from the main dashboard.
- 2. Access the Merge Tool: Click on 'Merge PDF' located in the PDF toolkit menu.
- 3. Add Your Documents: Click 'Add Files' to select all the PDF documents you want to combine from your local drive.
- 4. Arrange and Merge: Drag and drop the files to set your desired page order, then click the 'Merge' button to generate your new PDF instantly.
Frequently Asked Questions
Why does the PDF combination stay on 'Operation in Progress'?
This error typically occurs due to a stale browser session, corrupt cached site data, or server-side communication issues with the cloud service processing your documents.
Can file size cause the PDF merging process to hang?
Yes. While cloud services can handle standard documents, excessively large files or PDFs containing highly complex graphics might cause the web-based upload and merge process to time out. Using a desktop PDF tool resolves this.
Does password protection prevent files from combining?
Absolutely. If any of the PDF files you are trying to combine are secured with encryption or a password, the cloud service will not be able to process them, often resulting in an infinite loading or error state. You must remove the password security before merging.
