fit4NM 3.8.8 was released on Nov 5, 2014.
We fixed bugs as follows.
1. When removing fit4NM, all information about fit4NM was still remained in Windows registry.
2. Changed information in configuration was not displayed as you did.
3. When MS Excel is installed in other drive than C:\, fit4NM did not work.
4.  When the total number of lines in split data file for elapsed time calculation exceeds 306472, fit4NM stopped. 
A warning message to merge all split files into a single file will be displayed.