when your selenium Webdriver start IE11 Report This mistake: unable to find element on closed window (warning:the Server did not provide any stacktrace information), resolved by Google:
required Configuration:
for IE all, you'll need to set a registry entry on the target Computer so, the driver can maintain a connection to the instance of Internet Explorer it creates. For 32-bit Windows installations, the key is must examine in the Registry Editor Ishkey_local_machine\software\microsoft\ Internet Explorer\main\featurecontrol\feature_bfcache. For 64-bit Windows installations, the key ishkey_local_machine\software\wow6432node\microsoft\internet Explorer\Main\ Featurecontrol\feature_bfcache. Please note that the Feature_bfcache subkey may or may isn't present, and should be created if it's not present. Important:inside This key, create a DWORD value named Iexplore.exe with the value of 0.
Unable to find element on closed window (warning:the server does not provide any stacktrace information)