http://bugs.winehq.org/show_bug.cgi?id=25726
MSchlesner@web.de changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |MSchlesner@web.de
--- Comment #8 from MSchlesner@web.de 2011-08-09 07:50:25 CDT --- I had also white spaces and artefacts after scrolling the document.
Activating "Use synchronous mode of page rendering" in PDF-XChange Viewer (Edit -> Preferences -> Performance) solved the problem --- now it works perfectly for me.
(wine-1.3.26, PDF-Xchange Viewer 2.5 b197)
HTH