Full details can be found PDF files with precision.
When it was called for, idea to completely remove Acrobat.
This error is caused when you try to install an upgrade license, but Acrobat cannot find the "qualifying product" - which is the product you are upgrading from - on your hard disk. My guess is the first thing I need to do is completely uninstall delete the installed structure of Adobe Acrobat program, configutation, and data not my data files. Moderate Content. You seem to have no direct help on your website.
