Have you ever encountered this error?   --- Status... Status: 4 Creating request Status: 5 Request created Status: 6 Context created Status: 7 Connected to remote server Status: 0 Error ERROR: flxActAppReturnSend - (50018,41145,32) "Failure to send request or receive a response for an unspecified reason. Recovery: check parameters used for the request." ---   We're looking for more information on this error. If you're encountering this error, please comment below.   This error appears to be a communication error where the client PC may have an Internet connection, but is not successful in contacting the license server. This may be due to a firewall misconfiguration or a proxy server.   You may want to make sure your client PC can connect to FlexSim's servers (addresses and ports listed in this article).   You may also need to configure FlexSim to communicate through your proxy server:  

Have you received this licensing error?   An error occurred in the activation request Operations error: 7109 Invalid activation ID:     This error can occur when you are attempting to activate a standalone license online using the Activate tab.   You may encounter this error if you have incorrectly typed your activation ID, left the field blank, or if the system otherwise does not recognize the license code you have entered as a valid activation ID.   Some older versions of FlexSim also were not able to remove spaces or other whitespace from the beginning or end of the activation ID field, so be sure that any spaces or other extraneous characters are removed from both the beginning and ending of the license code text.