I have update wine to 1.4 rc2 The same problem this is the terminal report andrea@computer:~/Documenti$ wine k9-webprotection.exe X Error of failed request: BadWindow (invalid Window parameter) Major opcode of failed request: 10 (X_UnmapWindow) Resource id in failed request: 0x4a00001 Serial number of failed request: 39 Current serial number in output stream: 39 fixme:urlmon:DownloadBSC_OnProgress Unsupported status 3 fixme:wininet:InternetLockRequestFile STUB wine: Unhandled page fault on read access to 0x5d6ae550 at address 0x3abd085a (thread 002c), starting debugger... Could not load wine-gecko. HTML rendering will be disabled. wine: configuration in '/home/andrea/.wine' has been updated. fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:heap:HeapSetInformation (nil) 1 (nil) 0 andrea@computer:~/Documenti$