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Carbon Black Cloud: "There is a Problem with Adobe Acrobat/Reader."

Carbon Black Cloud: "There is a Problem with Adobe Acrobat/Reader."


  • Carbon Black (CB) Cloud Console: All Versions
  • Carbon Black (CB) Cloud Sensor: and Higher
  • Microsoft Windows: All Supported Versions
  • Adobe Acrobat/Adobe Reader


With sensor installed Adobe Acrobat is getting the error

There is a problem with Adobe Acrobat/Reader.
If it is running, please exit and try again. (523:523)


Coding defect by Adobe


Update Acrobat to the November 2020 release or later

Additional Notes

If unable to upgrade, the following temporary workarounds have worked for some of our customers:
  1. Disabling "Enable Protected Mode at startup" within Adobe Acrobat has been seen to prevent this issue. See Adobe's KB
  1. Add a bypass rule for C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
    Applications at path: *:\**\AcroRd32.exe
    Operation Attempt: Performs any API operation
    Action: Bypass

PLEASE NOTE: Bypassing AcroRd32.exe creates a high security risk and should only be implemented as a temporary/last-resort workaround

Should the issue continue after upgrading Adobe Reader and implementing the workarounds above, please contact Adobe prior contacting Carbon Black support

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