Adobe Reader Xi Access Denied

Adobe Acrobat Reader DC software is the free, trusted standard for viewing, printing, signing, and annotating PDFs. It's the only PDF viewer that can open and interact with all types of PDF content – including forms and multimedia. May 13, 2019 If you can manage to launch the Adobe Reader DC, then try to make a small change in Reader's preferences setting. Navigate to, Adobe ReaderEditPreferencesSecurity (Enhanced)under Sandbox Protections Uncheck 'Enable Protected Mode at Startup' OK close Reader and reopen it. Note: Changing the above security settings could pose security. . Original Title: Adobe Reader XI 'Access Denied' Hi, Just recently upgraded my computer, have installed Adobe Reader XI. When I go to add a comment to the open PDF and box with 'Access Denied' keeps coming up. It also won't allow me to print the document. Acrobat, Reader, Adobe Reader. In Reader 11.0, Protected View is only supported when Protected Mode is enabled. NtCreateMutant: STATUSACCESSDENIED 08: 12. In line with this policy, support for Adobe Acrobat 11.x and Adobe Reader 11.x ends on October 15, 2017. End of support End of support means that Adobe no longer provides technical support, including product and/or security updates, for all derivatives of a product or product version (localized versions, minor upgrades, operating systems, dot.


One user started getting this ‘There was an error opening this document. Access denied‘ adobe reader error while trying to open any PDF documents downloaded from any SharePoint site. This error shows up irrespective of level of access in SharePoint. Word documents, excel workbooks and all other office documents open up in office client in editable mode without any issues.

Pdf documents open up normally in browser without any errors. Only issue was when you try to download pdf and try to open it with Adobe reader. After spending good 30 minutes on google, we are able to figure out the reason.


This is because of Protected Mode(PM) security setting in Adobe Reader. This was introduced with Reader 10.0 on Windows. There are ways to disable this setting by turning off a windows regiestry key through a GPO.

More details from Adobe Enterprise toolkit on Protected Mode :


Acrobat Reader Access Denied Error


Anyways after disabling the ‘Enable Protected Mode at statup’ under Sandbox Protections, user is able to open pdf documents without any issues.

Adobe reader xi 11.0 downloadAdobe reader xi access denied failed

1. Open Adobe Reader, select Edit -> Preferences
2. Select Security(Enhanced)
3. Uncheck the Enable Protected Mode at startup check box under Sandbox Protections.
4. Confirm the change and select OK.

Please go through the implications of disabling this protection here.

This fix worked for me and may not necessarily be an ideal fix for everybody else. Please make sure to understand the implications of turning off this protection.