Using 11.0.23 today is considered a security risk because it has not received any security patches for over eight years, leaving it vulnerable to modern exploits embedded in PDF files. Acrobat XI Pro won't update or stay open - Adobe Community
I notice you're asking about a for Adobe Acrobat XI Pro 11.0.23 . FULL Adobe Acrobat XI Pro 11.0.23 Patch
We are not affiliated with Adobe Systems Incorporated. The software and patch provided are for educational and personal use only. We do not support or condone piracy and encourage users to purchase a valid license from Adobe. Using 11