http://bugs.winehq.org/show_bug.cgi?id=17428
--- Comment #7 from Dylan Smith dylan.ah.smith@gmail.com 2009-08-24 11:35:07 --- (In reply to comment #6)
I sent the following patch to wine-patches that fixes the bug.
taskmgr: Finish partial unicode conversion of process page. (Bug 17428) http://www.winehq.org/pipermail/wine-patches/2009-August/077547.html
Accepted as commit fc888d683526a353676fb2ab84556551526f7fea, so you can test it to make sure it is fixed.