Under Windows Server 2008 R2, when i unload the DLL sometime i receive this error (but it's strange because BEX is already deactivated on the server)

EventType=BEX
Sig[3].Value=fbclient.dll_unloaded

full report :

Version=1
EventType=BEX
EventTime=129032143624714149
ReportType=2
Consent=1
ReportIdentifier=4b011e66-d600-11de-a9da-0022198f07c7
IntegratorReportIdentifier=4b011e65-d600-11de-a9da-0022198f07c7
WOW64=1
Response.type=4
Sig[0].Name=Application Name
Sig[0].Value=import.exe
Sig[1].Name=Application Version
Sig[1].Value=0.0.0.0
Sig[2].Name=Application Timestamp
Sig[2].Value=4b06a907
Sig[3].Name=Fault Module Name
Sig[3].Value=fbclient.dll_unloaded
Sig[4].Name=Fault Module Version
Sig[4].Value=0.0.0.0
Sig[5].Name=Fault Module Timestamp
Sig[5].Value=49a867d2
Sig[6].Name=Exception Offset
Sig[6].Value=10045f88
Sig[7].Name=Exception Code
Sig[7].Value=c0000005
Sig[8].Name=Exception Data
Sig[8].Value=00000008
DynamicSig[1].Name=OS Version
DynamicSig[1].Value=6.1.7600.2.0.0.272.7
DynamicSig[2].Name=Locale ID
DynamicSig[2].Value=5132
DynamicSig[22].Name=Additional Information 1
DynamicSig[22].Value=0f31
DynamicSig[23].Name=Additional Information 2
DynamicSig[23].Value=0f3137665bbf0bb676c8a16f3fa76e52
DynamicSig[24].Name=Additional Information 3
DynamicSig[24].Value=260e
DynamicSig[25].Name=Additional Information 4
DynamicSig[25].Value=260e2f344136cef2a3856d1e02adb44a
UI[2]=C:\Program Files (x86)\Import\import.exe
UI[3]=import.exe has stopped working
UI[4]=Windows can check online for a solution to the problem.
UI[5]=Check online for a solution and close the program
UI[6]=Check online for a solution later and close the program
UI[7]=Close the program
LoadedModule[0]=C:\Program Files (x86)\import\import.exe
LoadedModule[1]=C:\Windows\SysWOW64\ntdll.dll
LoadedModule[2]=C:\Windows\syswow64\kernel32.dll
LoadedModule[3]=C:\Windows\syswow64\KERNELBASE.dll
LoadedModule[4]=C:\Windows\syswow64\oleaut32.dll
LoadedModule[5]=C:\Windows\syswow64\ole32.dll
LoadedModule[6]=C:\Windows\syswow64\msvcrt.dll
LoadedModule[7]=C:\Windows\syswow64\GDI32.dll
LoadedModule[8]=C:\Windows\syswow64\USER32.dll
LoadedModule[9]=C:\Windows\syswow64\ADVAPI32.dll
LoadedModule[10]=C:\Windows\SysWOW64\sechost.dll
LoadedModule[11]=C:\Windows\syswow64\RPCRT4.dll
LoadedModule[12]=C:\Windows\syswow64\SspiCli.dll
LoadedModule[13]=C:\Windows\syswow64\CRYPTBASE.dll
LoadedModule[14]=C:\Windows\syswow64\LPK.dll
LoadedModule[15]=C:\Windows\syswow64\USP10.dll
LoadedModule[16]=C:\Windows\system32\version.dll
LoadedModule[17]=C:\Windows\syswow64\wininet.dll
LoadedModule[18]=C:\Windows\syswow64\SHLWAPI.dll
LoadedModule[19]=C:\Windows\syswow64\Normaliz.dll
LoadedModule[20]=C:\Windows\syswow64\urlmon.dll
LoadedModule[21]=C:\Windows\syswow64\CRYPT32.dll
LoadedModule[22]=C:\Windows\syswow64\MSASN1.dll
LoadedModule[23]=C:\Windows\syswow64\iertutil.dll
LoadedModule[24]=C:\Windows\system32\winhttp.dll
LoadedModule[25]=C:\Windows\system32\webio.dll
LoadedModule[26]=C:\Windows\system32\winmm.dll
LoadedModule[27]=C:\Windows\system32\wsock32.dll
LoadedModule[28]=C:\Windows\syswow64\WS2_32.dll
LoadedModule[29]=C:\Windows\syswow64\NSI.dll
LoadedModule[30]=C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7600.16385_none_ebf82fc36c758ad5\comctl32.dll
LoadedModule[31]=C:\Windows\system32\IMM32.DLL
LoadedModule[32]=C:\Windows\syswow64\MSCTF.dll
LoadedModule[33]=C:\Windows\system32\WINSTA.dll
LoadedModule[34]=C:\Windows\system32\credssp.dll
LoadedModule[35]=C:\Windows\system32\mswsock.dll
LoadedModule[36]=C:\Windows\System32\wshtcpip.dll
LoadedModule[37]=C:\Windows\System32\wship6.dll
LoadedModule[38]=C:\Windows\system32\DNSAPI.dll
LoadedModule[39]=C:\Windows\system32\IPHLPAPI.DLL
LoadedModule[40]=C:\Windows\system32\WINNSI.DLL
LoadedModule[41]=C:\Windows\system32\rasadhlp.dll
LoadedModule[42]=C:\Windows\System32\fwpuclnt.dll
LoadedModule[43]=C:\Windows\system32\ntmarta.dll
LoadedModule[44]=C:\Windows\syswow64\WLDAP32.dll
LoadedModule[45]=C:\Windows\system32\NLAapi.dll
LoadedModule[46]=C:\Windows\System32\winrnr.dll
LoadedModule[47]=C:\Windows\system32\napinsp.dll
LoadedModule[48]=C:\Windows\system32\secur32.dll
LoadedModule[49]=C:\Windows\SysWOW64\msv1_0.DLL
LoadedModule[50]=C:\Windows\system32\cryptdll.dll
LoadedModule[51]=C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7600.16385_none_421189da2b7fabfc\comctl32.dll
LoadedModule[52]=C:\Windows\syswow64\SHELL32.dll
LoadedModule[53]=C:\Windows\system32\profapi.dll
FriendlyEventName=Stopped working
ConsentKey=BEX
AppName=import.exe
AppPath=C:\Program Files (x86)\import\import.exe

thanks for you help !
stephane