How to Fix Acrobat Installation Error 1311 (Data1.cab Not Found)
Question details
The user is encountering Error 1311, indicating that the Data1.cab source file cannot be found or accessed during a software installation or upgrade.
- Product
- Adobe Acrobat Pro XI
- Device & OS
- not provided
- Scenario
- Installing or upgrading to Acrobat Pro XI.
- Observed behavior
- The installation process stops abruptly, displaying Error 1311 and stating that the Data1.cab source file is missing or inaccessible.
Ensure you have administrative privileges on your computer, as software installations and extracting system files require full access rights.
Copy Installation Files to a Local Folder
Running the installer directly from a local drive instead of a disc, network drive, or compressed folder ensures all files, including Data1.cab, are fully accessible.
Network drives, external media, or running setup files from within unextracted ZIP archives frequently restrict file read permissions. Copying all installation assets locally resolves these access barriers.
Right-click on an empty space on your Desktop, select 'New', and then 'Folder'. Name the folder 'Acrobat Installer'.
Navigate to your original installation media (CD/DVD, USB, or downloaded archive). Select all the files and folders, copy them, and paste them into the newly created 'Acrobat Installer' folder.
If the original files were in a ZIP archive, right-click the ZIP file and select 'Extract All' to unpack the contents into your local folder before proceeding.
Open the 'Acrobat Installer' folder, locate the 'Setup.exe' file, right-click it, and select 'Run as administrator' to begin the installation.
Download a Fresh Installer Package
If the original installation files are corrupted or incomplete, downloading a new copy directly from the official website can resolve missing file errors.
Edit PDFs Easily with WPS Office
Having trouble installing bulky PDF software? WPS Office is a free, lightweight alternative that includes a powerful built-in PDF editor, fully compatible with all standard PDF formats, alongside robust Word, Excel, and PowerPoint alternatives.
Frequently Asked Questions
What is the Data1.cab file in software installations?
A .cab (Cabinet) file is an archive format used in Microsoft Windows to store compressed software installation files. The Data1.cab file typically contains the core program data required by the setup wizard to install the software correctly.
Why does the installer say Data1.cab is missing if I can see it in the folder?
This usually happens due to permission issues, damaged storage media (like a scratched CD), or because the setup file is being run from inside a compressed ZIP folder without being fully extracted to a standard local folder first.
Can I just download the missing Data1.cab file from the internet?
It is highly discouraged to download individual .cab files from third-party websites. They are specific to the exact version of the software installer and may contain malware or cause further compatibility errors. Always re-download the complete official installer package.
