Unable to install version 17 of Flash Player. It downloads but when it installs it only gets to 5% with an error message saying "installation unsuccesful"
You could refer the following document to get information and solution on issues related to installation of flash player .
Try the mentioned steps in the document and see if that fixes the issue or not.
Installation problems | Flash Player | Windows
Use the offline installer:
[topic moved to Flash Player forum]
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