Update 6.4.6c:
Update of file signatures. This update fixes the problem that the application could be classified as unsafe by certain virus scanners.

Update 6.4.6b:
Update to Wibu CodeMeter Runtime Version 8.00, which closes a security vulnerability in CodeMeter. Alternatively, you can update CodeMeter yourself: https://www.wibu.com/support/user/user-software.html