Hi,
OK. Try Filemon to see if you can identify any problems http://www.sysinternals.com/Utilities/Filemon.html

Also check the event logs to for any errors.

It is probably a security issue, Try logging in as Administrator and see if it makes any difference.

>tried yet. not success...
>
>>Hi,
>>Try adding FCBS=150,0 to config NT then reboot and see what happens.
>>
>>>This in continueation of my earlier Thread ID: 1067536
>>>
>>>If the no. of open dbf's/cursors exceed 40, then the system slows down. But, at any given point of time, we have 125 dbf's/cursor open.
>>>
>>>This is slowing down the system considerably. But, in Win XP SP1 on some systems we did not notice this problem.
>>>
>>>Any settings to be done ?
>>>
>>>Regards
>>>Rakesh