When you install Adobe Acrobat or Adobe Reader 8, you receive the following error:
"1635 This patch package could not be opened. Verify that the patch package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Installer patch package."
Disclaimer: The Windows registry contains information critical to your computer and applications. Adobe does not provide support for problems that arise from improper modification of the registry. Adobe recommends that you have experience editing system files before you modify the registry. Make sure to back up the registry before modifying it. For more information on the Windows Registry Editor, see your Windows User Guide or contact Microsoft Technical Support.
Important: Verify that the correct registry key is selected. When viewing a path of HKEY_CLASSES_ROOT\Installer\Features\68AB67CA330100007706000000000030, only the 68AB67CA330100007706000000000030 key should be selected. If the name does not match exactly, do not select the item.
This behavior can occur if the Windows Installer registry entries are damaged. Removing these entries and reinstalling the product can resolve the issue.
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