Troubleshoot Acrobat crashes with the Fill & Sign tool

Problem description

Adobe Acrobat crashes or becomes unresponsive when you select the Fill & Sign tool, Request e-signature tool, or the e-signature icon in a PDF document. No error message is displayed. Corrupted e-signature files may cause the issue.

Resolution

To resolve the issue, try deleting the following e-signature files: 

Windows

• C:\Users\<username>\AppData\Roaming\Adobe\Acrobat\DC\Security\acrobat_fss_signature_initials
• C:\Users\<username>\AppData\Roaming\Adobe\Acrobat\DC\Security\acrobat_fss_signature_initialsi
• C:\Users\<username>\AppData\Roaming\Adobe\Acrobat\DC\Security\acrobat_fss_signature_initialsk

macOS

• ~/Library/Application Support/Adobe/Acrobat/DC/Security/acrobat_fss_signature_initials
• ~/Library/Application Support/Adobe/Acrobat/DC/Security/acrobat_fss_signature_initialsi
• ~/Library/Application Support/Adobe/Acrobat/DC/Security/acrobat_fss_signature_initialsk

Reopen Acrobat. It should resolve your problem. If you have more questions, visit the Acrobat community.

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