Adobe Acrobat Pro takes forever to Open a file

Question

After selecting a PDF file to open with Adobe Acrobat Pro the file will either take forever to open or will not open.  I uninstalled Adobe and attempted to reinstall it, but it now my account will not open.

Tariq Dar · Answer

Hi @jimn99185302,

Sorry for the troubled experience.

Is that the file located on the cloud drive or locally available? Is this issue reproducible with all the files?

For troubleshooting purposes, let's try temporarily disabling Protected Mode can help identify the cause.

On Windows:

. Go to Edit > Preferences > Security (Enhanced)

. Uncheck “Enable Protected Mode at startup”

. Click OK and restart Acrobat.

On macOS:

. Go to Acrobat > Preferences > Security (Enhanced)

. Uncheck “Enable Protected Mode at startup”

. Restart Acrobat.

Important Disclaimer: Protected Mode is a security feature that helps prevent malicious content in PDFs from affecting your system. We recommend disabling it only for testing purposes. Do not open files from unknown sources while it’s off. If this step resolves the issue, we can guide you toward a safer, permanent fix.

Best regards,
Tariq | Adobe Community Team

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