Jean-Rene,

>No I did not have a backup. But now I will have backup using the AT command of NT Dos. I set it up for a backup on avery day.
>
>c:\>At 23:00 /every:1 xcopy c:\mywork\*.* C:\mybackup\*.* /s /e /c

That's great. Thanks for the command, I haven't known it.

>I lost 20 hrs of work because I was a S. F.! :)

Take it easy :) I lost a lot of my works the same way...

I hope, you can repeat and even improve.
Good Luck!



>
>>Do you have a backup copy? At least of the previous day? On our work our system administrator makes backup copies of the whole developer server at the end of the day.