When you download and try to install Adobe Reader 9 on Windows Vista, the installer returns the following error:
"Error 1311. Source file not found: C:\Users\[your user name]\AppData\Local\Adobe\Reader 9.0\Setup Files\READER9\Data1.cab. Verify that the file exists and that you can access it."
Use this solution if Adobe Download Manager has been managing your download of Adobe Reader from the Adobe website.
Use this solution if you have been using Microsoft Internet Explorer 7 or later for Windows Vista to download Adobe Reader from the Adobe website.
When Protected Mode is enabled, downloaded files are redirected to a secure "Virtualized" folder. This folder replicates the folder structure on your computer but keeps the files isolated to protect it from malicious software.
To disable Protected Mode:
Important: Protected Mode can protect your computer from malicious software. Turn on Protected Mode again after you install Adobe Reader.
Use a different web browser--such as Mozilla Firefox, Apple Safari, or Opera --to download Adobe Reader.
Anti-virus software can interfere with the Adobe Reader installer. For instructions on how to temporarily disable anti-virus software on your system, see the software's documentation or contact its manufacturer.
Important: If you disable your anti-virus software, reenable it after you install Adobe Reader.
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