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Windows Installer Error: This installation package could not be opened
Windows Installer Error: This installation package could not be opened
PDF2XL Support avatar
Written by PDF2XL Support
Updated over a week ago

It's not common but, upon installation, you may have encountered a Windows Installer error stating:
"This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package."
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Before anything, you want to make sure your version of Windows is compatible with the PDF2XL version you are trying to install.

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You will also want to make sure you are using administration mode and that your firewall is not affecting the installation.

If your install file is on a network drive, you should copy it over to a local drive before attempting to install.
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In most cases, this occurs because the install file has been corrupted. This can happen if you are sharing the installer between computers (for example, using a Dropbox folder), or sometimes an issue during the download of the file causes the problem.
We suggest downloading a new install file from our server to see if that works.
​If you don't know your download link, please contact us at [email protected] to request it. We will need your Payment Code or the email address registered to your license.

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