wuala crashes after some seconds after login, with windows "send error report" proposal

wuala crashes after some seconds after login, and open DrWatson prompt. to send error report to microdoft.
I can send you dump, if you give me address.
There is a manifest:

Server=watson.microsoft.com
UI LCID=1033
Flags=1672016
Brand=WINDOWS
TitleName=Wuala.exe
DigPidRegPath=HKLM\Software\Microsoft\Windows NT\CurrentVersion\DigitalProductId
ErrorText=If you were in the middle of something, the information you were working on might be lost.
Stage1URL=/StageOne/Generic/BEX/Wuala_exe/0_0_0_0/4641ebd3/Win32NetBIOS_dll/0_0_0_0/46cb00ff/000015a8/c0000409/00000000.htm
Stage2URL=/dw/GenericTwo.ASP?EventType=BEX&P1=Wuala.exe&P2=0.0.0.0&P3=4641ebd3&P4=Win32NetBIOS.dll&P5=0.0.0.0&P6=46cb00ff&P7=000015a8&P8=c0000409&P9=00000000
DataFiles=C:\DOCUME~1\xxx\LOCALS~1\Temp\WERbb12.dir00\Wuala.exe.mdmp|C:\DOCUME~1\xxx\LOCALS~1\Temp\WERbb12.dir00\appcompat.txt
Heap=C:\DOCUME~1\xxx\LOCALS~1\Temp\WERbb12.dir00\Wuala.exe.hdmp
ErrorSubPath=Generic\BEX\Wuala.exe\0.0.0.0\4641ebd3\Win32NetBIOS.dll\0.0.0.0\46cb00ff\000015a8\c0000409\00000000
DirectoryDelete=C:\DOCUME~1\xxx\LOCALS~1\Temp\WERbb12.dir00