Re: current directory

>>>     HKEY_CURRENT_USER\Software\Microsoft\Command Processor\AutoRun
>> type : REG_EXPAND_SZ
>> données : "CD /D %CMDAUTORUNPATH%"
>>
>> And %CMDAUTORUNPATH% value is "C:\"
>> Is that the problem ?
> 
> Most probably.  This means that cmd is told to chdir to the directory
> pointed to by the environment variable CMDAUTORUNPATH.  I presume that
> this variable is set to "C:\" on your machine.
yes

> I don't know how did this happen on your machine; on mine, these two
> Registry settings are empty.
yes, it's strange. When I delete this value, it's ok.

Thank you