Ok, looks like I'm on my own here. At least I can utilise this forum for documenting my progress. ;)
Disabled ALL sound with winecfg. This made the first part of my error messages disappear. Now this is what's left:
Got a alert windows with a MS C++ runtime error when starting the installation program LxSetup.exe.
Additionally this is to read at the console:
blackbeauty:/media/Quicken 2009 # wine LxSetup.exe
fixme:msxml:domdoc_get_parseError (0x139830)->(0x32f7e0): creating a dummy parseError
fixme:msxml:parseError_get_srcText
fixme:msxml:parseError_QueryInterface interface {df0b3d60-548f-101b-8e65-08002b2bd119} not implemented
wine: Unhandled exception 0x40000015 at address 0x4834d3 (thread 0009), starting debugger...
