LoadRunner 12.01 Controller Issue

Hi all,

I get error like someone when i start run vsuers on controller.

It is "Tcs has stopped working". and in the log file it says " ipc connection to browser process is lost".

In the error details it says about "TruWebIElauncher.exe". I searched the forum and found something like that error .I turned of UAC and DEP too between i checked endpoints too. Didint help.

I just use 3 vusers with controller and getting that error . I will test 200 users on that pruduct.pls Help

My Loadrunner 12.01 installed on  Windows 2008 R2 64 bit machine.

IE version 11.0