Help me ! appcrash

hi i play iw5m since 2 months now and idk why tonight iw5m crashes evreytime i launch it. i tried to launch it as an admin / delete caches.xml and iw5m.dat. bla bla bla it doesn't works. help neded please
appcrash details:
Description:
A problem caused the shutdown of the interaction of the program with Windows.

Problem signature:
Problem Event Name: AppHangB1
Application Name: iw5m.dat
Application Version: 0.0.0.0
Application Timestamp: 4f186c8f
Signature block: 4070
Type of lock: 0
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1036
Signature lock Addit. 1: 407059371518397d8442f03c80aecff6
Signature lock Addit. 2: 6424
Signature lock Addit. 3: 642408e88c5a737f6e26a7fc2ac1020f
Signature lock Addit. 4: 4070
Signature lock Addit. 5: 407059371518397d8442f03c80aecff6
Signature lock Addit. 6: 6424
Signature lock Addit. 7: 642408e88c5a737f6e26a7fc2a

The networking platform was down. I assume it doesn't crash anymore? :P