Fix Adobe Acrobat Assistive Technology Print Error and Spooler Hang for PDFs
Question details
Users are encountering assistive technology warning messages and print jobs indefinitely hanging in the system print spooler when attempting to print PDFs via Acrobat Pro on business-managed systems.

- Product
- Adobe Acrobat Pro
- Device & OS
- not provided
- Scenario
- Distributing and using Acrobat Pro on business-managed computers to print standard PDF documents.
- Observed behavior
- On one machine, an 'assistive technology' warning is triggered during printing. On a second machine, the software processes the print job, but it gets stuck in the print spooler without printing.
Verify that your printer is powered on and properly connected to your network, and ensure you have administrative privileges on the business-managed system to manage Windows services.
Clear and Restart the Windows Print Spooler
Use this solution to forcefully remove stuck PDF print jobs that are hanging in the background, allowing the system to accept new printing tasks.
When a print job hangs in the spooler, it blocks all subsequent printing attempts from any application. Clearing the temporary spool files and restarting the service often resolves localized freezing issues.
Press the Windows key + R to open the Run dialog, type 'services.msc', and press Enter.
Scroll down the list to locate 'Print Spooler'. Right-click on it and select 'Stop'. Leave the Services window open.
Open File Explorer and navigate to 'C:\Windows\System32\spool\PRINTERS'. Delete all the files inside this folder to clear the stuck print jobs.
Return to the Services window, right-click on 'Print Spooler', and select 'Start'. Attempt to print your PDF again.

Disable Assistive Technology Preferences and Update Software
Resolve the 'assistive technology' warning by turning off background accessibility features that attempt to parse the PDF before printing.
Print the PDF as an Image
Bypass complex font rendering and assistive metadata processes by sending the PDF to the printer as a flattened image.
Print PDFs Seamlessly with WPS Office
Avoid complex assistive technology errors and print spooler hangs by using WPS Office. Its built-in, lightweight PDF reader lets you view, manage, and print PDF documents quickly and reliably without heavy background processes.
- 1. Download and Install: Download and install WPS Office Free on your computer.
- 2. Open WPS Office: Launch WPS Office and click on 'PDF' from the home screen sidebar.
- 3. Open the Document: Select and open the PDF document you need to print.
- 4. Initiate Print: Click the 'Print' icon on the top toolbar or press Ctrl + P.
- 5. Complete Printing: Select your target printer and click 'Print' to bypass standard spooler errors completely.

Frequently Asked Questions
Why does Adobe Acrobat show an 'assistive technology' warning when printing?
Acrobat may try to read or prepare the document for screen readers before processing the print job. If the software gets stuck analyzing the document structure, it throws this warning. Disabling 'Enable Assistive Technology Support' in the Accessibility preferences typically resolves this.
What causes a PDF print job to hang in the Windows spooler?
A print job can hang in the spooler due to corrupted spool files, outdated printer drivers, complex PDF graphics that the printer memory cannot process, or conflicts with enterprise security software monitoring the print queue.
Can enterprise deployment policies affect PDF printing?
Yes. On business-managed systems, strict security policies, antivirus whitelisting rules, or Group Policy objects (GPOs) restricting spooler access can intercept and block print jobs initiated by Acrobat, causing them to hang.
How do I test if the printer or the PDF file is causing the error?
Try printing a simple plain text document from Notepad. If it prints successfully, the issue is likely isolated to the specific PDF file or your PDF software. You can also try printing a different, locally saved PDF file to verify.




