when we try to open it on Vista it displays this problem
Problem Event Name: APPCRASH
Application Name: MyPhone.exe
Application Version: 0.2.0.0
Application Timestamp: 40cc75cd
Fault Module Name: kernel32.dll
Fault Module Version: 6.0.6000.16386
Fault Module Timestamp: 4549bd80
Exception Code: 406d1388
Exception Offset: 0001b09e
OS Version: 6.0.6000.2.0.0.256.6...
2008-02-06 08:01:10 UTC in MyPhone - Voice and Video Chat client