After changing EiffelStudio preferences to use English In XP 2 errors occured

1. "Warning code: VD83
Configuration warning: warning that a setting could not be changed.
What to do: do not change this setting or recompile the project from scratch.

Value of a setting could not be changed because the system is already compiled or uses a precompile: cls_compliant
Old: false
New: true"

2. "Error code: VD00
General configuration parsing error.
What to do: fix the configuration file.

Could not open file: c:\program files\eiffel software\eiffelstudio 6.2 gpl\library\gobo\gobo
$ISE_EIFFEL\library\gobo\gobo
Configuration: f:\projects\eiffel\traffic\traffic_ev_1079\library\traffic_vision2.ecf"

File gobo.ecf is situated in c:\program files\eiffel software\eiffelstudio 6.2 gpl\library\gobo directory