>>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.