The same problem raised up for me, after installing Scribus 1.3.9 and, potentially more important, Ghostscript 9.0. Inkscape now crash on my Win 7 UIltimate with (0xc0000005) as in topicstarter situation. Reinstalling Inkscape (0.48-1), after removing Ghostscript and Scribus didn't helps. I've found someone with the same problem on mac (http://www.inkscapeforum.com/viewtopic.php?f=29&t=3485), he have Inkscape crash after installing Ghostscript too...
The same problem raised up for me, after installing Scribus 1.3.9 and, potentially more important, Ghostscript 9.0. Inkscape now crash on my Win 7 UIltimate with (0xc0000005) as in topicstarter situation. Reinstalling Inkscape (0.48-1), after removing Ghostscript and Scribus didn't helps. I've found someone with the same problem on mac (http:// www.inkscapefor um.com/ viewtopic. php?f=29& t=3485), he have Inkscape crash after installing Ghostscript too...