When entering license information into Symantec Encryption Desktop during or after setup generates the error "An error has occurred: failed to import License Number" and then redirects you to adjust your proxy settings.
An error has occurred: failed to import License Number
This is caused when the license key is invalid and could be intended for PGP Universal Server and not PGP Desktop. When licensing information is sent from Symantec, the server and client licenses are sent in separate emails and the containing information can be confusing.
Contact Symantec Customer Care to confirm your licensing information for standalone Symantec Encryption Desktop products.
Symantec Customer Support
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PGP Desktop 10.2+
Symantec Encryption Desktop