I can't find the 'Sentinel Product Key' for my Gemalto entitlement. 

When attempting to activate an Entitlement you get the error;

System,Net.WebException: The remote server returned an error: (400)
Bad Request.
at System.Net.HttpWebRequest.GetResponse()
at HCADLicense,Form1.Iogin(String product_key)
at HCADLicense.Form1.btnAuthorize_Click(Object sender, EventArgs e)

When trying to transfer an Entitlement using the Hydratec Entitlement Transfer Utility ("C:\HES\Common\Entitlement Transfer\HydraEntitlementTransfer.exe") , after plugging in the USB to the "new" computer, you can't see a license to transfer.

The recipient does not show up the the window for licenses available to move (top right), but are visible in the bottom right window.

When attempting to activate an Entitlement you get the error;

System.Invalid.OperationException: Failed to generate Fingerprint

at HCADLicense.Form1.activate(String product_key, String user_token)
at HCADLicense.Form1.btnAuthorize_Click(Object sender, EventArgs e)

When a folder sent as a ZIP file is extracted, it's likely all of the files will be blocked by Windows.  This prevents the files from functioning properly. 

You can right-click each file, select PROPERTIES then GENERAL then click the UNBLOCK checkbox, however this may be time consuming if many files are blocked.

This method will describe how to unblock many files at once.  

Error 98. Access Denied to System. This occurs when opening any hydratec product using your Hardware lock.

You are not currently authorized to use this Hydratec Product.   Lack of authorization.

HydraKey Application is out of date!  Hit the UPDATE button. Open downloaded file, and run the install as Administrator before reopening HydraKey.

Click the below link to download the update file. Close HydraKey and run the downladed install as Administrator before reopening HydraKey.

Entitlement Expiration. If your entitlement is within 14 days of expiration it will begin informing you once per day with the following message when you open a Hydratec Product.

If you click “Yes” it will give a more detailed description of the entitlements to which this machine has access.

TSA Expiration. If your Temporary Software Authorization is within 3 days of expiration it will begin warning you each time you open a Hydratec Product.