Quit Reader or Acrobat if it's running.
Last updated on
Sep 30, 2022 07:06:14 PM GMT
Problem: Error 523:523 occurs on opening a PDF file in Internet Explorer when Trend Micro antivirus or related programs are active on your computer.
Solution: Add Acrobat, Reader, or both in the exception list of Trend Micro antivirus or related programs
Follow the steps:
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Open Trend Micro antivirus from the shortcut on the desktop or from the Start menu in the taskbar.
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Select the Open the Main Console option.
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In the main console, click Device.
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Click Configure for Security Settings.
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In the Protection Settings dialog box, click Exception Lists in the sidebar.
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Click the Add button.
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In the Add an Item dialog box, click Browse, and go to the following location and select the .exe file:
- For Acrobat Reader: C:\Program Files (x86)\Adobe\Acrobat Reader\Reader\AcroRd32.exe
- For Acrobat: C:\Program Files (x86)\Adobe\Acrobat\Acrobat\Acrobat.exe
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Click OK.
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Click Apply and then click OK.
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