Bad HTTP transactionThis usually means that the license for ExtendSim was successfully activated or deactivated in our online activation database, but the message the database returned (an encrypted text file) got blocked by your system.

When this happens, manual activation is required. If you have ExtendSim 10.0.5 or later, click the button to generate a text file (ExtendSim Activation Info.txt). Email the text file to This email address is being protected from spambots. You need JavaScript enabled to view it.. For releases prior to 10.0.5, contact This email address is being protected from spambots. You need JavaScript enabled to view it. for instructions.