Kernel Headers problem... recompiling?

[mol-general@lists.maconlinux.org]

Mol is installed on Linux 2.4.19-4a. no problems. 2001 ibook.

when i "startmol -a" in terminal, I get the following error message:

/usr/lib/mol/0.9.65/modules/2.4.19/mol.o: unresolved symbol 
find_vmg_R4dfd872b

/usr/lib/mol/0.9.65/modules/2.4.19/mol.o: unresolved symbol 
force_sig_R56n9040d

/usr/lib/mol/0.9.65/modules/2.4.19/mol.o: unresolved symbol 
mem_map_Re009ab4d

and it then suggests that I recompile.  I am a newbie and did not 
actually install this using root, but rather by double clicking on the 
rpms.  I would greatly appreciate if anyone can tell me how to recompile 
in simple terms and steps.

also, it appears to me that the problem is that the "Running Kernel" is 
2.4.19-4a although the closest available model is 2.4.19, without the 
-4a. is this an accurate diagnosis, and if so, how do i change the 
kernel headers? can i login to pico and just take the -4a off in some 
file?

very eager to find resolution as it seems that I am one step away from 
success here.

thanks.