http://bugs.winehq.org/show_bug.cgi?id=26615
--- Comment #6 from Hans Leidekker hans@meelstraat.net 2011-04-11 01:56:08 CDT --- (In reply to comment #5)
Would another +msi trace help then?
The filename "cacheckdiskspace.cpp" suggests it's a custom that's failing, so please attach a +msi,+relay,+seh,+tid trace.