How to Fix Acrobat X Pro Error 1328 During Windows Updates
Question details
The user needs to resolve Error 1328 that occurs when the software attempts to install automatically downloaded updates.
- Product
- Adobe Acrobat X Pro
- Device & OS
- Windows 7 (64-bit)
- Scenario
- Installing automatically downloaded updates for the application.
- Observed behavior
- The update process stops unexpectedly and displays Error 1328, preventing the installation from completing.
Ensure you have administrative privileges on your Windows computer, as you will need to access and modify hidden system folders to resolve this error.
Clear the Adobe ARM Folder
Deleting the cached update files in the Adobe ARM folder forces the software to download a fresh copy of the update, resolving issues caused by corrupted temporary files.
The Acrobat Refresh Manager (ARM) handles automatic updates. When its cached files become corrupted, it can trigger Error 1328. Clearing this directory allows the updater to start over clean.
Ensure that Adobe Acrobat X Pro and the Adobe Updater process are completely closed before proceeding.
Open Windows Explorer, click the address bar, paste the path 'C:\ProgramData\Adobe\ARM\' (without quotes), and press Enter. Note that the ProgramData folder is hidden by default in Windows, so navigating to it directly via the address bar is the easiest method.
Select all the files and folders inside the ARM directory and delete them.
Reopen Acrobat X Pro, navigate to the Help menu, and check for updates again. If you receive a temporary 'Unknown error' message, simply close the prompt and click check for updates a second time.
Consult Official Troubleshooting or Reinstall
If clearing the temporary update files fails, the core application installation might be corrupted, requiring advanced troubleshooting or a clean reinstall.
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Frequently Asked Questions
Why does Error 1328 happen during Adobe Acrobat updates?
Error 1328 typically occurs when the update files downloaded by the background updater become corrupted, or when there is a file conflict with temporary data stored in the Acrobat Refresh Manager (ARM) folder.
Where can I find the hidden ProgramData folder in Windows 7?
The ProgramData folder is hidden by default to protect system files. You can access it by opening Windows Explorer, clicking directly on the address bar at the top, typing 'C:\ProgramData', and pressing Enter. Alternatively, you can enable 'Show hidden files, folders, and drives' in your Windows Folder Options.
Do I need to reinstall Adobe Acrobat X Pro if the update fails?
Not necessarily. Deleting the contents of the C:\ProgramData\Adobe\ARM\ folder often resolves the update error by forcing the software to download clean files. Reinstallation should only be used as a last resort if all other troubleshooting steps fail.
