Same issue after a clean uninstall/delete directories/reinstall.
In FF, replay fails 100% of the time with:
Virtual User Script started at : 2014-06-19 13:09:46 Starting action vuser_init. TruClient Replay for LoadRunner 12.0.0, build 1362. OS: Windows 7, initialized on 2014/06/19 at 13:09:46 (0000.000s)
Ending action vuser_init. Running Vuser... Starting iteration 1. Starting action Action. t=00001213ms: Error -205177: IPC connection to browser process is lost [MsgId: MERR-205177] Ending action Action. Ending iteration 1. Abort was called from an action
In IE, replay fails less often with:
t=00090489ms: Error -205177: IPC connection to browser process is lost [MsgId: MERR-205177]
Ending action Action.
Ending iteration 2.
Abort was called from an action