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This error means that the Vijeo Designer license file is corrupted. The only way to resolve this issue is to:
1 - uninstall Vijeo Designer
2 - For Vijeo Designer v6.1, Delete file 6G9JCFEW.ocx from C:\Windows directory.
For Vijeo Designer v6.2, Delete file LC9GCN9J.ocx from C:\Windows directory.
3 - Reinstall Vijeo Designer and input the reference/serial number.