hi, have to bring this issue up again. I am using vs .net 2015 with update 3 version # 14.0.25425.01 with .net 4.6.01055 and my chrome version is: Google Chrome 55.0.2883.75 (Official Build) m (32-bit) Revision 451c239c3b0722dc867b0f75839b959f729b756a-refs/branch-heads/2883@{#698} OS Windows JavaScript V8 5.5.372.29 Flash 24.0.0.194 User Agent Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.75 Safari/537.36 Command Line "C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --flag-switches-begin --flag-switches-end Executable Path C:\Program Files (x86)\Google\Chrome\Application\chrome.exe somehow just since yesterday, I am seeing this issue: 2017-01-13 11:01:18.006 9228 1 INFO Paragon.Runtime.AutoStopwatch Creating browser took 893ms 2017-01-13 11:01:18.006 9228 1 INFO Paragon.Runtime.AutoStopwatch Creating browser control took 918ms [0113/110118:ERROR:child_process_launcher.cc(505)] Failed to launch child process expected browser instance failed to launched up. can someone throw some light here ? thanks