Change value in an EXE file

Hi guys!
I could use some help here, please.
I've got Workout Timer - a freeware program including a 17.5 kb EXE file and a few WAVs. The program has preset values of 20 seconds for work and 10 seconds for rest.
WO-1.png

I need them to be 60 and 15 seconds. Is there a program that allows to change these default values so I won't have to set them each time I open the timer? I tried PE Explorer but couldn't find anything that allows me making changes.
Any advice will be greatly appreciated.
If you want to take a look at the file it's available here.
Thanks.
 
Have you tried contacting the author for a revised edition?
Code:
WORKOUT TIMER V1.0

The following files should be included in the zip file:

Workout Timer.exe
boxing_bell.wav
boxing_bell_multiple.wav
puke.wav
rumble.wav
Workout Timer.txt

All files MUST be placed in the SAME directory in order for
the program to work properly.

This program is freeware and is for all to use and is not to
be sold.  Please feel free to distribute this program to whom
ever you choose, individual or otherwise.  However,
the author retains all rights and privileges.

If you find any bugs, suggestions on improving, comments or
questions about this program please email me at:

stl_software.yahoo.com

C. L. LEWIS
MAY 2008
 
Yes, I've sent him a message, no answer so far. Anyway, I would like to learn how to make these changes on my own instead of begging somebody every time.
 
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