>>>Hi everybody,
>>>
>>>After some process has been finished, I display a message to the user: "Process is complete". Should it be "Process is completed" instead? Or how to say this correctly in English?
>>>
>>>Thanks a lot in advance.
>>
>>"Process is complete" would be correct. "Process has completed" would also be correct.
>
>May I say: Process has been completed (interrupted) in 2 minutes 20 seconds? Or been is not needed here? See my response to Hilmar, please. How should I correct my code?
>
>Thanks a bunch.

You would say "Process completed in 2 minutes 20 seconds."