When you install Adobe Creative Suite 3 products among the following error messages appears within the installation log:

Error 1321: The Installer has insufficient privileges to modify this file C:\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg.
Error 1309: Error attempting to open the origin file C:\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg. System error code: 2
The example below demonstrates how the error appears when you look at the installation log:

Action 11:21:48: InstallValidate. Validating install Action start 11:21:48: InstallValidate. Error 1321.The Installer has insufficient privileges to change the file C:\Windows\system32\Macromed\Flash\FlashPlayerTrust\AcrobatConnect.cfg. Action ended 11:21:48: InstallValidate. Return value 3.

QuickBooks Error 1321 The Adobe Creative Suite 3 installer was unable to access the file or directory identifed within the error message. The folder or file resulting in the error can be identified in the Adobe Creative Suite installation log. For additional information on finding and reading the installation log, please relate to the section, "Adobe Creative Suite installation log." The solutions below reference the most common locations regarding the errors.

Solution
Update an individual privileges to files.
Important: The file path in the error messages appears just after, "to modify the file" or " open the source file". The parent folder is immediately ahead of the file referenced into the error. Into the error messages above, the parent directory to the 1321 error will be "FlashPlayerTrust".

Adobe Creative Suite installation log
The Adobe Creative Suite 3 installer log contains detailed messages on why the install failed (or succeeded). The log file makes it possible to diagnose the issue faster. Every attempted installation will append information to your previous installation log. Deleting the present installation log and running the installation again can simplify the troubleshooting process. The log file is established on both Windows and Macintosh. The error messages contained will defer in format because of Operating System differences.

Navigate to your Adobe Creative Suite 3 log file.

\Program Files\Common Files\Adobe\Installers folder.
Decompress the Adobe Creative Suite 3 log file.

Important: The log file is archived using a compression utility called gzip and certainly will require a decompression tool such as for instance Winzip or WinRAR.

Note on log names:
The log apply for the Creative Suite 3 Design Premium, for instance, is: Adobe Creative Suite 3 Design Premium 1.0.log.gz
Search the log file(s) for Error 1714 and Error 1704.
Record the paths identifed near the error message.

Important: The file path in the error messages appears just after, "to modify the file" or " open the foundation file". The parent folder is immediately ahead of the file referenced into the error. Into the error messages above, the parent directory to the 1321 error will be "FlashPlayerTrust".