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Fix Adobe Acrobat X Installation Error 1911 on Windows Server

John WilsonJohn Wilson Nov 2, 2026 869 views

Question details

The user needs to resolve Error 1911 caused by a type library registration failure when installing Adobe Acrobat X Standard on a Windows Server environment.

How to Fix Adobe Acrobat X Installation Error 1911 on Windows Server
Product
Adobe Acrobat X Standard
Device & OS
Windows Server 2012, Windows Server 2008 R2
Scenario
Installing legacy PDF software on a Windows Server.
Observed behavior
The installation process halts with Error 1911, indicating an inability to register a specific type library, preventing the successful setup of the software.
Before you start

Ensure you are logged into your Windows Server with full Administrator privileges and check your server's current Windows Update history before making any system modifications.

Solution 1Recommended

Uninstall Windows Update KB3072630

Removing this specific Windows Update resolves known conflicts with the Windows Installer service that trigger Error 1911 during older software installations.

Windows Update KB3072630 introduces changes to the Windows Installer behavior which can block legacy applications like Acrobat X from successfully registering type libraries. Removing this update temporarily allows the installation to complete.

1
Open Programs and Features

Click the Start menu, type 'Control Panel', and press Enter. Navigate to 'Programs' and click on 'Programs and Features'.

2
View Installed Updates

In the left-hand pane, click the 'View installed updates' link to display a list of all updates applied to your Windows Server.

3
Locate and Uninstall KB3072630

Use the search bar at the top right to find 'KB3072630'. Right-click the update from the list and select 'Uninstall'. Follow the prompts to remove it.

4
Restart and Reinstall

Reboot your Windows Server. Once restarted, run the Adobe Acrobat X installer again as an administrator.

Uninstall Windows Update KB3072630
Security Consideration: After successfully installing Adobe Acrobat X, you may want to check for new Windows Updates to ensure your server remains secure, as KB3072630 contained security fixes.
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Frequently Asked Questions

What causes Error 1911 during software installation?

Error 1911 typically occurs when the Windows Installer fails to register a type library for a specific file (.dll or .tlb) during the setup process. This is often caused by permission issues or conflicts with specific Windows Security Updates.

Is Adobe Acrobat X fully compatible with Windows Server 2012?

Adobe Acrobat X is an older software version and was not natively designed for Windows Server 2012. While it can often be installed using workarounds or compatibility modes, users may experience minor glitches or installation errors.

Will ignoring Error 1911 break my PDF software?

Not necessarily. Many users report that clicking 'Ignore' bypasses the specific type library registration failure, but the core functionalities of the software, such as viewing PDFs and utilizing the PDF printer, continue to work correctly.