LICENSE: Error 1552 at uninstalling a License

Information in this knowledgebase article applies to:

• Keil MDK
• Node-Locked License (Single User License)

SYMPTOM

The uninstallation of my license ends up with this error message:

Please contact Technical Support and report code 1552 for assistance
with your installation.

CAUSE

This error indicates that the TRN code used to un-license the product is valid, but the License key (LIC) embedded in the TRN is invalid. 

This happens when a customer has purchased, but not installed a product upgrade.

RESOLUTION

Contact the Technical Support Team and ask to uninstall the LIC manually.

MORE INFORMATION

• Refer to Uninstalling a LIC in the Licensing User's Guide.

• Refer to Licensing Errors in the Licensing User's Guide.

Last Reviewed: Tuesday, October 27, 2020