Solution
Please Install the Updated Packages.
Insight
Gnucash would crash on startup for users who had updated from 2010.0 to 2010.1 as the slib package was not updated properly. This update is the correct build of slib for Mandriva 2010.1.
Affected
slib on Mandriva Linux 2010.1,
Mandriva Linux 2010.1/X86_64