1.Disconnect internet and if also if u can, block Camtasia’s internet access/online validation with firewall

or

2. Block this URL in host file by enter the following below;

C:\Windows\System32\drivers\etc - file 'hosts' - add this URL

127.0.0.1 activation.cloud.techsmith.com


Activation keys -

GCABC-CPCCE-BPMMB-XAJXP-S8F6R

EA5AC-CLMAM-A8W6W-EZLYM-LM58F

HLCZF-HDCPL-KGB6W-ZSCAZ-VF6A2


