I have expired demo version of LLBLGenPro and a license file (LLBLGenPro.license)
I have overwrite LLBLGenPro license file with my one but anyway program says that 30 days trial period is over ?
You should uninstall the demo and install teh full version available from the customer area or from the link you received in your SWReg email. Then place the license file in the folder in which you installed the full version.