:) Thanks dimesio. I installed mfc42.dll by winetricks Code: claudio@Aspire-8530:~$ sh winetricks Executing wget -O vc6redistsetup_enu.exe -nd -c --read-timeout=300 --retry-connrefused --header Accept-Encoding: gzip,deflate http://download.microsoft.com/download/vc60pro/update/1/w9xnt4/en-us/vc6redistsetup_enu.exe --2010-12-09 17:45:57-- http://download.microsoft.com/download/vc60pro/update/1/w9xnt4/en-us/vc6redistsetup_enu.exe Risoluzione di download.microsoft.com... 213.199.149.182, 213.199.149.183 Connessione a download.microsoft.com|213.199.149.182|:80... connesso. HTTP richiesta inviata, in attesa di risposta... 200 OK Lunghezza: 1833232 (1,7M) [application/octet-stream] Salvataggio in: "vc6redistsetup_enu.exe" 100%[======================================>] 1.833.232 741K/s in 2,4s 2010-12-09 17:45:59 (741 KB/s) - "vc6redistsetup_enu.exe" salvato [1833232/1833232] Executing wine /home/claudio/.cache/winetricks/vc6redistsetup_enu.exe /T:C:\winetrickstmp /c Executing /usr/bin/cabextract /home/claudio/.cache/winetricks/vcredist.exe -d /home/claudio/.wine/dosdevices/c:/windows/system32 -F mfc42u.dll /home/claudio/.cache/winetricks/vcredist.exe: library not compiled to support large files. Extracting cabinet: /home/claudio/.cache/winetricks/vcredist.exe extracting /home/claudio/.wine/dosdevices/c:/windows/system32/mfc42u.dll All done, no errors. Using native,builtin override for following DLLs: msvcrt Executing early_wine regedit c:\winetrickstmp\override-dll.reg REGEDIT4 [HKEY_CURRENT_USER\Software\Wine\DllOverrides] "*msvcrt"="native,builtin" Install of mfc42 done winetricks done. claudio@Aspire-8530:~$ Than I cheched that mfc42u.dll was installed in /home/claudio/.wine/dosdevices/c:/windows/system32 and that there was also mfc42.dll Than I tried again to run Birthday Reminder and ... it worked as expected :D even if with a fixme issue that I don't undestand. Code: claudio@Aspire-8530:~$ wine "c:\\Programmi\\Birthday Reminder\\bday.exe" fixme:ole:DllRegisterServer stub claudio@Aspire-8530:~$ dimesio, should I do something else to improve the system behaviour? Claudio :)