Fix the "Plug-in Detected" Error in Adobe Fill & Sign
Question details
The user needs to resolve an application crash that occurs when attempting to use the Fill & Sign feature in Adobe Acrobat Reader.
- Product
- Adobe Acrobat Reader
- Device & OS
- not provided
- Scenario
- Attempting to fill out and add a signature to a PDF document using the Fill & Sign tool.
- Observed behavior
- The application displays a "Plug-in detected. Adobe Reader will quit" error message and then closes unexpectedly.
Ensure you have saved any open documents in Adobe Reader to prevent data loss before modifying plug-ins or updating the software.
Disable Incompatible Third-Party Plug-ins and Update
Removing conflicting third-party plug-ins and ensuring your software is up to date is the most effective way to resolve this crash.
Many third-party plug-ins can conflict with the core features of Adobe Acrobat Reader, specifically Fill & Sign. Restricting the application to only use certified plug-ins usually bypasses the error.
Launch Adobe Acrobat Reader. Navigate to 'Edit' on the top menu bar and select 'Preferences' (or 'Acrobat Reader' > 'Preferences' on Mac).
In the Preferences window, select 'General' from the left-hand category pane. Check the box that says 'Use only certified plug-ins'.
Go to 'Help' in the top menu and click on 'Check for Updates'. Follow the on-screen prompts to install any available updates.
Close Adobe Acrobat Reader completely and reopen it. Try accessing the Fill & Sign tool again to see if the issue is resolved.
Repair or Reinstall Adobe Acrobat Reader
If updating and disabling plug-ins doesn't work, repairing the installation can fix corrupted application files causing the quit error.
Use WPS Office for a Stable Fill & Sign Experience
If Adobe Reader continues to crash, you can easily fill out forms and add your signature using WPS PDF, which offers a built-in, lightweight Fill & Sign feature without the need for complex plug-ins.
- 1. Open your PDF in WPS Office: Launch WPS Office and open the PDF document you need to fill and sign.
- 2. Access the Fill & Sign tool: Navigate to the 'PDF' tab and click on the 'Fill & Sign' option located in the top toolbar.
- 3. Fill out the form: Use the text tool to click anywhere on the document lines and type your required information.
- 4. Add your signature: Click on 'Sign', create or select your saved signature, and place it exactly where needed on the page.
- 5. Save the document: Click the 'Save' icon or press Ctrl+S to ensure your filled form and signature are securely applied to the PDF.
Frequently Asked Questions
Why does Adobe Reader quit unexpectedly when I click Fill & Sign?
This usually happens because a third-party plug-in installed in Adobe Reader is conflicting with the application's Fill & Sign module. Forcing Adobe to use only certified plug-ins through the Preferences menu generally resolves the crash.
How do I find out which plug-in is causing the Adobe Fill & Sign error?
You can identify the problematic plug-in by navigating to the Adobe 'plug_ins' installation folder, moving the plug-in files out of the folder one by one, and restarting the application until the Fill & Sign feature works normally.
Is there a way to sign a PDF if I cannot fix the Adobe plug-in error?
Yes, you can use alternative PDF software like WPS Office. Simply open your PDF document in WPS PDF and use its built-in Fill & Sign tools to complete your document without relying on Adobe Reader.
Will repairing Adobe Reader delete my saved signatures?
Running the 'Repair Installation' tool from the Help menu typically repairs core application files without deleting your personal data or saved signatures. However, a full uninstallation and reinstallation might remove them.
